[coreboot-gerrit] Patch merged into coreboot/master: 8706e70 sandybridge/igd: Add brightness register descriptions

the following patch was just integrated into master:
commit 8706e70df66f2e2639b402133426d362f347f8ea
Author: Vladimir Serbinenko 
Date:   Sun Jan 5 06:52:11 2014 +0100

sandybridge/igd: Add brightness register descriptions

Needed for brightness control for Lenovo X230

Change-Id: Ib6d127d2e050671dd402c31af06ff4726f65156c
    Signed-off-by: Vladimir Serbinenko

See http://review.coreboot.org/4618 for details.

-gerrit