fix compile error in TcgPei

signed-off-by: Zhang Chao <chao.b.zhang@intel.com>
reviewed-by  : Dong Guo   <guo.dong@inte.com> 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13699 6f19259b-4bc3-4df7-8a09-765794883524
1 file changed