ArmVirtPkg: ArmVirtQemu: make ACPI support AARCH64 only

No ARM support for ACPI is planned under any OS we intend to run under
ArmVirtQemu-ARM, so remove the drivers from the ARM build.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

ArmVirtPkg/ArmVirtQemu.dsc

@@ -345,12 +345,6 @@
   }
   OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
 
-  #
-  # ACPI Support
-  #
-  MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
-  OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatformDxe.inf
-
   #
   # PCI support
   #
@@ -376,6 +370,13 @@
   MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBusDxe.inf
   MdeModulePkg/Bus/Usb/UsbKbDxe/UsbKbDxe.inf
 
+[Components.AARCH64]
+  #
+  # ACPI Support
+  #
+  MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
+  OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatformDxe.inf
+
 [Components.ARM]
   #
   # The ARM/Linux kernel has no built in EFI boot stub (yet), so we still need

ArmVirtPkg/ArmVirtQemu.fdf

@@ -201,11 +201,13 @@ READ_LOCK_STATUS   = TRUE
   INF MdeModulePkg/Universal/SmbiosDxe/SmbiosDxe.inf
   INF OvmfPkg/SmbiosPlatformDxe/SmbiosPlatformDxe.inf
 
+!if $(ARCH) == AARCH64
   #
   # ACPI Support
   #
   INF MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableDxe.inf
   INF OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpiPlatformDxe.inf
+!endif
 
   #
   # PCI support