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/Csm/Include/Guid/LegacyBios.h

@@ -24,6 +24,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
     0x2e3044ac, 0x879f, 0x490f, {0x97, 0x60, 0xbb, 0xdf, 0xaf, 0x69, 0x5f, 0x50 } \
   }
 
-extern EFI_GUID gEfiLegacyBiosGuid;
+extern EFI_GUID  gEfiLegacyBiosGuid;
 
 #endif