Update Tcg2Smm _PRS patching logic to fix compile issue
Cc: Liming Gao <liming.gao@intel.com>
Cc: Dandan Bi <dandan.bi@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
(cherry picked from commit 449083a3f8
)