drivers/intel/fsp: update enable_mrc_cache with fast boot

When going from a configuration with fast boot disabled to one with
it enabled, ENABLE_MRC_CACHE was not being enabled properly.  This
forces it on with ENABLE_FSP_FAST_BOOT.

Change-Id: If7b6374e0c0a1d5403a50a1b0a958cea6f96cc88
Signed-off-by: Martin Roth <gaumless@gmail.com>
Reviewed-on: http://review.coreboot.org/5794
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
1 file changed