This patch added support to get csme boot time performance
data and display it in perf command and also before booting
to linux.
Introduced a board config option BOOT_PERFORMANCE_MASK to control
PcdBootPerformanceMask, BIT 2 now enables printing CSME boot
performance data.
Signed-off-by: Raghava Gudla <raghava.gudla@intel.com>