REF:https://bugzilla.tianocore.org/show_bug.cgi?id=828 Within ReadFile(): Add checks to ensure that when getting the raw data or the Allocation Descriptors' data from a FE/EFE, it will not consume data beyond the size of a FE/EFE. Cc: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Paulo Alcantara <palcantara@suse.de> Acked-by: Star Zeng <star.zeng@intel.com>