OvmfPkg: Apply uncrustify changes

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737

Apply uncrustify changes to .c/.h files in the OvmfPkg package

Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Andrew Fish <afish@apple.com>

OvmfPkg/Include/Protocol/XenIo.h

@@ -34,9 +34,9 @@ struct _XENIO_PROTOCOL {
   //
   // Protocol data fields
   //
-  EFI_PHYSICAL_ADDRESS          GrantTableAddress;
+  EFI_PHYSICAL_ADDRESS    GrantTableAddress;
 };
 
-extern EFI_GUID gXenIoProtocolGuid;
+extern EFI_GUID  gXenIoProtocolGuid;
 
 #endif