Patch merged into coreboot/master: mainboard/reef: Add RW_VAR_MRC_CACHE

the following patch was just integrated into master:
commit 4ed99ad067a7bd9f5ef6004c7b0e5f9f7edbe0d5
Author: Andrey Petrov 
Date:   Fri Nov 4 16:17:11 2016 -0700

mainboard/reef: Add RW_VAR_MRC_CACHE

Chop off 4kb block from RW_MRC_CACHE to store variable MRC cache.

BUG=chrome-os-partner:57515
    TEST=with patch series applied: cold reboot, make sure MRC is not
    updated. Do S3 suspend/resume cycle.

Change-Id: I3e19fff9c9b20d6c73cbb13bfeec49e9a274bb72
    Signed-off-by: Andrey Petrov 
    Reviewed-on: https://review.coreboot.org/17235
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/17235 for details.

-gerrit