OvmfPkg/PlatformPei: Relocate SmBases in PEI phase

This patch is to consume SmmRelocationInit for SmBase
Relocation.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Ray Ni <ray.ni@intel.com>
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jiewen Yao <Jiewen.yao@intel.com>

OvmfPkg/PlatformPei/Platform.c

@@ -367,6 +367,9 @@ InitializePlatform (
 
   IntelTdxInitialize ();
   InstallFeatureControlCallback (PlatformInfoHob);
+  if (PlatformInfoHob->SmmSmramRequire) {
+    RelocateSmBase ();
+  }
 
   return EFI_SUCCESS;
 }