Allocate the additional Smram range to describe the reserved smram for SMM core and driver when LMFA feature is enabled. Cc: Star Zeng <star.zeng@intel.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>