Vlv2TbltDevicePkg:Signal End of Dxe Event.

According to PI spec,DxeSmmReadyToLock protocol is published immediately after signaling of the End of Dxe Event.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: lushifex <shifeix.a.lu@intel.com>

Vlv2TbltDevicePkg/Library/PlatformBdsLib/BdsPlatform.c

@@ -181,6 +181,11 @@ InstallReadyToLock (
       AcpiS3Save->S3Save (AcpiS3Save, NULL);
     }
 
+    Handle = NULL;
+    Status = gBS->InstallProtocolInterface (
+                    &Handle,
+                    &gExitPmAuthProtocolGuid,
+                    EFI_NATIVE_INTERFACE,
                     NULL
                     );
     ASSERT_EFI_ERROR (Status);
@@ -226,11 +231,6 @@ PlatformBdsInit (
   @retval  None.
 
 **/
-VOID
-EFIAPI
-PlatformBdsInit (
-  VOID
-  )
 VOID
 EFIAPI
 PlatformBdsInit (