KabylakeSiliconPkg: Identify flash regions by GUID

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3307



Updates the code to identify flash regions by GUID and internally
map the GUID entries to values specific to KabylakeSiliconPkg.

Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Chasel Chiu <chasel.chiu@intel.com>
Reviewed-by: Nate DeSimone <nathaniel.l.desimone@intel.com>