MinPlatformPkg: Update HWSignature field in FACS

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4428



Calculating CRC based on each ACPI table.
Update HWSignature field in FACS based on CRC while ACPI table changed.

Change-Id: Ic0ca66ff10cda0fbcd0683020fab1bc9aea9b78c
Signed-off-by: VincentX Ke <vincentx.ke@intel.com>
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Isaac Oram <isaac.w.oram@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ankit Sinha<ankit.sinha@intel.com>
Signed-off-by: VincentX Ke <vincentx.ke@intel.com>
Reviewed-by: Ankit Sinha <ankit.sinha@intel.com>
Reviewed-by: Ray Ni <Ray.ni@intel.com>