Add is_keylocker_supported() API in common cpulib.
This function checks if the CPU supports Key Locker feature.
Returns true if Key Locker feature is supported otherwise false.
Change-Id: Ide9e59a4f11a63df48838eab02c2c584cced12e1
Signed-off-by: Pratikkumar Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71117
Reviewed-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>