OvmfPkg/PlatformBootManagerLib: Do not launch Boot Manager Menu

MdeModulePkg/BDS doesn't launch UI (Boot Manager Menu) from platform
side.
The change removes the code which launches the UI but still set the
boot timeout.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c

@@ -166,6 +166,7 @@ Returns:
   ASSERT_EFI_ERROR (Status);
 
   PlatformInitializeConsole (gPlatformConsole);
+  PcdSet16 (PcdPlatformBootTimeOut, GetFrontPageTimeoutFromQemu ());
 }
 
 
@@ -1292,8 +1293,6 @@ Routine Description:
   // it.
   //
   BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");
-
-  PlatformBdsEnterFrontPage (GetFrontPageTimeoutFromQemu(), TRUE);
 }
 
 VOID

OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.h

@@ -266,12 +266,6 @@ ConvertSystemTable (
  IN OUT VOID       **Table
   );
 
-VOID
-PlatformBdsEnterFrontPage (
-  IN UINT16                 TimeoutDefault,
-  IN BOOLEAN                ConnectAllHappened
-  );
-
 /**
   Loads and boots UEFI Linux via the FwCfg interface.
 

OvmfPkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf

@@ -59,6 +59,7 @@
   gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent
   gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable
   gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId
+  gEfiMdePkgTokenSpaceGuid.PcdPlatformBootTimeOut
 
 [Pcd.IA32, Pcd.X64]
   gEfiMdePkgTokenSpaceGuid.PcdFSBClock