QemuQ35Pkg: Set PcdMigrateVariableRuntimeCacheBufferAllocation to TRUE

Enable the UEFI variable runtime cache to be migrated to consolidate
the runtime memory buckets to DXE-allocated buffers.

Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>

Author: makubacki

Platforms/QemuQ35Pkg/QemuQ35PkgCommon.dsc.inc

@@ -553,7 +553,7 @@
   AdvancedLoggerLib|AdvLoggerPkg/Library/AdvancedLoggerLib/Pei/AdvancedLoggerLib.inf
 !ifndef $(DEBUG_ON_SERIAL_PORT)
   DebugLib|AdvLoggerPkg/Library/PeiDebugLibAdvancedLogger/PeiDebugLibAdvancedLogger.inf
-!endif 
+!endif
 
 [LibraryClasses.common.DXE_DRIVER, LibraryClasses.common.UEFI_DRIVER, LibraryClasses.common.UEFI_APPLICATION]
   AdvancedLoggerLib|AdvLoggerPkg/Library/AdvancedLoggerLib/Dxe/AdvancedLoggerLib.inf
@@ -600,6 +600,8 @@
     gMmSupervisorPkgTokenSpaceGuid.PcdMmSupervisorTestEnable|TRUE
   !endif
 
+  gEfiMdeModulePkgTokenSpaceGuid.PcdMigrateVariableRuntimeCacheBufferAllocation|TRUE
+
 [PcdsPatchableInModule]
   gEfiMdePkgTokenSpaceGuid.PcdDebugPropertyMask|0x17