[coreboot] Patch merged into coreboot/master: d1f0250 Fix CMOS checksum calculation in libpayload.

the following patch was just integrated into master:
commit d1f0250388d73127f4db35d03d2b3753d1e6b552
Author: Stefan Reinauer 
Date:   Fri Oct 21 14:37:52 2011 -0700

Fix CMOS checksum calculation in libpayload.

Change-Id: I64ea53fa098fbcfc76e0ebd5f049a2ee3d0a1024
    Signed-off-by: Stefan Reinauer

See http://review.coreboot.org/314 for details.

-gerrit