OvmfPkg/LoongArchVirt: Optimize the use of serial port libraries

Because the complex dependency between SerialPortLib and
PciExpressLib leads to multiple references to the lib
library in the loongarch dsc file, optimizing SerialPortLib
now simplifies multiple references to lib in the dsc file.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Bibo Mao <maobibo@loongson.cn>
Cc: Chao Li <lichao@loongson.cn>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Xianglai Li <lixianglai@loongson.cn>

Signed-off-by: Xianglai Li <lixianglai@loongson.cn>

OvmfPkg/LoongArchVirt/LoongArchVirtQemu.dsc

@@ -130,7 +130,7 @@
   IoLib                            | MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
   FdtSerialPortAddressLib          | OvmfPkg/Library/FdtSerialPortAddressLib/FdtSerialPortAddressLib.inf
   PlatformHookLib                  | OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/Fdt16550SerialPortHookLib.inf
-  SerialPortLib                    | MdeModulePkg/Library/BaseSerialPortLib16550/BaseSerialPortLib16550.inf
+  SerialPortLib                    | OvmfPkg/LoongArchVirt/Library/EarlyFdtSerialPortLib16550/EarlyFdtSerialPortLib16550.inf
   EfiResetSystemLib                | OvmfPkg/LoongArchVirt/Library/ResetSystemAcpiLib/BaseResetSystemAcpiGedLib.inf
   ResetSystemLib                   | OvmfPkg/LoongArchVirt/Library/ResetSystemAcpiLib/BaseResetSystemAcpiGedLib.inf
 
@@ -196,7 +196,6 @@
   MemoryAllocationLib              | MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
   PeiServicesTablePointerLib       | MdePkg/Library/PeiServicesTablePointerLibKs0/PeiServicesTablePointerLibKs0.inf
   PlatformHookLib                  | OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.inf
-  SerialPortLib                    | OvmfPkg/LoongArchVirt/Library/EarlyFdtSerialPortLib16550/EarlyFdtSerialPortLib16550.inf
   CpuExceptionHandlerLib           | UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
 
 [LibraryClasses.common.PEI_CORE]
@@ -210,7 +209,6 @@
   PeCoffGetEntryPointLib           | MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
   QemuFwCfgLib                     | OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgMmioPeiLib.inf
   PlatformHookLib                  | OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.inf
-  SerialPortLib                    | OvmfPkg/LoongArchVirt/Library/EarlyFdtSerialPortLib16550/EarlyFdtSerialPortLib16550.inf
 
 [LibraryClasses.common.PEIM]
   HobLib                           | MdePkg/Library/PeiHobLib/PeiHobLib.inf
@@ -229,14 +227,12 @@
   CpuMmuInitLib                    | OvmfPkg/LoongArchVirt/Library/CpuMmuInitLib/CpuMmuInitLib.inf
   MpInitLib                        | UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.inf
   PlatformHookLib                  | OvmfPkg/LoongArchVirt/Library/Fdt16550SerialPortHookLib/EarlyFdt16550SerialPortHookLib.inf
-  SerialPortLib                    | OvmfPkg/LoongArchVirt/Library/EarlyFdtSerialPortLib16550/EarlyFdtSerialPortLib16550.inf
 
 [LibraryClasses.common.DXE_CORE]
   HobLib                           | MdePkg/Library/DxeCoreHobLib/DxeCoreHobLib.inf
   DxeCoreEntryPoint                | MdePkg/Library/DxeCoreEntryPoint/DxeCoreEntryPoint.inf
   MemoryAllocationLib              | MdeModulePkg/Library/DxeCoreMemoryAllocationLib/DxeCoreMemoryAllocationLib.inf
   ReportStatusCodeLib              | MdeModulePkg/Library/DxeReportStatusCodeLib/DxeReportStatusCodeLib.inf
-  PciExpressLib                    | MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf
   PciPcdProducerLib                | OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf
   CpuExceptionHandlerLib           | UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
 
@@ -254,7 +250,6 @@
   QemuFwCfgLib                     | OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgMmioDxeLib.inf
   EfiResetSystemLib                | OvmfPkg/LoongArchVirt/Library/ResetSystemAcpiLib/DxeResetSystemAcpiGedLib.inf
   ResetSystemLib                   | OvmfPkg/LoongArchVirt/Library/ResetSystemAcpiLib/DxeResetSystemAcpiGedLib.inf
-  PciExpressLib                    | MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf
 !if $(TARGET) != RELEASE
   DebugLib                         | MdePkg/Library/DxeRuntimeDebugLibSerialPort/DxeRuntimeDebugLibSerialPort.inf
 !endif
@@ -281,7 +276,6 @@
   QemuFwCfgS3Lib                   | OvmfPkg/Library/QemuFwCfgS3Lib/DxeQemuFwCfgS3LibFwCfg.inf
   QemuFwCfgLib                     | OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgMmioDxeLib.inf
   PciPcdProducerLib                | OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf
-  PciExpressLib                    | MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf
   AcpiPlatformLib                  | OvmfPkg/Library/AcpiPlatformLib/DxeAcpiPlatformLib.inf
   MpInitLib                        | UefiCpuPkg/Library/MpInitLib/DxeMpInitLib.inf
 
@@ -291,7 +285,6 @@
   MemoryAllocationLib              | MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
   ExtractGuidedSectionLib          | MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.inf
   PciPcdProducerLib                | OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf
-  PciExpressLib                    | MdePkg/Library/BasePciExpressLib/BasePciExpressLib.inf
 
 ################################################################################
 #
@@ -601,18 +594,15 @@
   UefiCpuPkg/CpuMmio2Dxe/CpuMmio2Dxe.inf {
     <LibraryClasses>
       NULL|OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf
-      NULL|OvmfPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf
   }
   EmbeddedPkg/Drivers/FdtClientDxe/FdtClientDxe.inf
   MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf {
     <LibraryClasses>
       NULL|OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf
-      NULL|OvmfPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf
   }
   MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf {
     <LibraryClasses>
       NULL|OvmfPkg/Fdt/FdtPciPcdProducerLib/FdtPciPcdProducerLib.inf
-      NULL|OvmfPkg/Library/BaseCachingPciExpressLib/BaseCachingPciExpressLib.inf
   }
   OvmfPkg/VirtioPciDeviceDxe/VirtioPciDeviceDxe.inf
   OvmfPkg/Virtio10Dxe/Virtio10.inf