SecurityPkg Tcg2Config: Move common definitions to new Tcg2Internal.h

Common definitions are not consumed by VFR. They are not required to be
defined in Tcg2ConfigNvData.h with WA way. New shared internal header
file is added to include those common definitions.

Cc: Jian Wang <jian.j.wang@intel.com>
Cc: Chao Zhang <chao.b.zhang@intel.com>
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>

SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.h

@@ -36,6 +36,9 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include <Guid/MdeModuleHii.h>
 
 #include "Tcg2ConfigNvData.h"
+#include "Tcg2Internal.h"
+
+#define TCG2_PROTOCOL_VERSION_DEFAULT        0x0001
 
 //
 // Tool generated IFR binary data and String package data