mainboard/intel/cannonlake_rvp: Add initial board files

Initial board files needed to selected to build cannonlake rvp.

Change-Id: I82bd5c785e451f02b827765c54d432517afd7de0
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/20075
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
6 files changed