Patch merged into coreboot/master: nb/intel/sandybridge/raminit: prepare raminit for fallback

the following patch was just integrated into master:
commit 24a845b6221d7495f7b7b06b8b8766ccca754e99
Author: Patrick Rudolph 
Date:   Fri Mar 25 18:19:47 2016 +0100

nb/intel/sandybridge/raminit: prepare raminit for fallback

Return errors to top level ram init function.
    Required by the folowing series to implement a fallback.

No functionality is changed.
    On error case the system still halts in every test.

Change-Id: I6278c4a1d7b4a96be8988a60671fc3d72cd6cb3d
    Signed-off-by: Patrick Rudolph 
    Reviewed-on: https://review.coreboot.org/14170
    Tested-by: build bot (Jenkins)
    Reviewed-by: Martin Roth

See https://review.coreboot.org/14170 for details.

-gerrit