Silicon/Intel/FitGen:FitGen Supporting MultiFIT 2 rc

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4155



With new implementation, FITGEN will populate info needed
for the PROT assisted BootGuard solution and TXT on servers
using FIT 4 Entry. FitGen based on the CPU FMS FITGEN will
decide to call one of the two Type 2 FIT entry.

Signed-off-by: Rahul R Kumar <rahul.r.kumar@intel.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>