Patch merged into coreboot/master: e807c34 cmos post: Guard with spinlock

the following patch was just integrated into master:
commit e807c34a5e34e8dd7cb959458de593ea1070fde4
Author: Duncan Laurie 
Date:   Mon Jun 10 09:53:33 2013 -0700

cmos post: Guard with spinlock

The CMOS post code storage mechanism does back-to-back
    CMOS reads and writes that may be interleaved during
    CPU bringup, leading to corruption of the log or of other
    parts of CMOS.

Change-Id: I704813cc917a659fe034b71c2ff9eb9b80f7c949
    Signed-off-by: Duncan Laurie 
    Reviewed-on: https://gerrit.chromium.org/gerrit/58102
    Reviewed-by: Aaron Durbin 
    Reviewed-on: http://review.coreboot.org/4227
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/4227 for details.

-gerrit