soc/intel/common/block: Add common MP Init code

This patch contains State Machine callbacks init_cpus()
and post_cpu_init().
Also, it has the SOC call for CPU feature programming.

Change-Id: I5b20d413c85bf7ec6ed89b4cdf1770c33507236b
Signed-off-by: Barnali Sarkar <barnali.sarkar@intel.com>
Reviewed-on: https://review.coreboot.org/20189
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
6 files changed