OvmfPkg: PlatformBdsLib: get front page timeout from QEMU

Put QemuBootOrderLib's GetFrontPageTimeoutFromQemu() to use, so that
OVMF's Platform BDS policy can consume QEMU's command line option

  -boot menu=on,splash-time=N

RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1170507

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16611 6f19259b-4bc3-4df7-8a09-765794883524

Author: Laszlo Ersek

OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c

@@ -1185,7 +1185,6 @@ Routine Description:
 --*/
 {
   EFI_STATUS                         Status;
-  UINT16                             Timeout;
   EFI_BOOT_MODE                      BootMode;
 
   DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior\n"));
@@ -1203,11 +1202,6 @@ Routine Description:
     PlatformBdsRestoreNvVarsFromHardDisk ();
   }
 
-  //
-  // Init the time out value
-  //
-  Timeout = PcdGet16 (PcdPlatformBootTimeOut);
-
   //
   // Load the driver option as the driver option list
   //
@@ -1261,7 +1255,7 @@ Routine Description:
   //
   BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");
 
-  PlatformBdsEnterFrontPage (Timeout, TRUE);
+  PlatformBdsEnterFrontPage (GetFrontPageTimeoutFromQemu(), TRUE);
 }
 
 VOID

OvmfPkg/Library/PlatformBdsLib/PlatformBdsLib.inf

@@ -53,7 +53,6 @@
   QemuBootOrderLib
 
 [Pcd]
-  gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdPlatformBootTimeOut
   gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLogoFile
   gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent
   gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable