1. Read 32bit CPU Init APIC ID from CPUID leaf B in XAPIC mode.
2. Read CPU APIC ID from CPUID leaf B in case CPU Init APIC ID is larger 255 in XAPIC mode.

Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: svn://svn.code.sf.net/p/edk2/code/trunk/edk2/UefiCpuPkg@14674 6f19259b-4bc3-4df7-8a09-765794883524