Patch merged into coreboot/master: nb/intel/gm45/igd: Hide IGD while disabling

the following patch was just integrated into master:
commit bb1af99622e7e4a303f49618a4ecbb02606d1cba
Author: Patrick Rudolph 
Date:   Sat Jan 21 10:43:52 2017 +0100

nb/intel/gm45/igd: Hide IGD while disabling

Hide the IGD to make sure ramstage doesn't detect it.

Change-Id: If389016f3bb0c4c2fd0b826914997a87a9137201
    Signed-off-by: Patrick Rudolph 
    Reviewed-on: https://review.coreboot.org/18194
    Tested-by: build bot (Jenkins)
    Reviewed-by: Nico Huber

See https://review.coreboot.org/18194 for details.

-gerrit