Patch merged into coreboot/master: 70357f2 libpayload: enforce const correctness for CMOS getter/setter

the following patch was just integrated into master:
commit 70357f264a5f8a0472ea1fef7f6bc967fd674eb1
Author: Mathias Krause 
Date:   Fri Feb 17 12:02:47 2012 +0100

libpayload: enforce const correctness for CMOS getter/setter

Input only arguments to {get,set}_option*() should be const to catch
    programming errors early.

Change-Id: I560001a8e9226dfd156a4e529fcad20549236ebd
    Signed-off-by: Mathias Krause

Build-Tested: build bot (Jenkins) at Fri Feb 17 13:56:19 2012, giving +1
Reviewed-By: Stefan Reinauer  at Fri Feb 17 19:26:48 2012, giving +2
See http://review.coreboot.org/652 for details.

-gerrit