Patch merged into coreboot/master: nb/intel/sandybridge/raminit: Comment the code

the following patch was just integrated into master:
commit 371d291df511679c6a63dfe658c4b349ee77e979
Author: Patrick Rudolph 
Date:   Fri Oct 9 13:33:25 2015 +0200

nb/intel/sandybridge/raminit: Comment the code

Add lots of comments for better documentation.

Change-Id: Ia203cb649857f979bb6c1c2d405b74f2ccc8f99d
    Signed-off-by: Patrick Rudolph 
    Reviewed-on: http://review.coreboot.org/11915
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Nicolas Reinecke

See http://review.coreboot.org/11915 for details.

-gerrit