[coreboot] Patch merged into coreboot/master: 2772620 Fix coreboot makefiles not to produce half baked output.

the following patch was just integrated into master:
commit 2772620ad098e8dd1487667fbafd5947dbe5da08
Author: Kyösti Mälkki 
Date:   Sat Mar 31 09:48:11 2012 +0300

Fix coreboot makefiles not to produce half baked output.

There were cases where output file was generated and modified within
    a recipe. If make was interrupted, it could exit with an output file
    that appears as up-to-date, but was generated with incomplete recipe.

The output file should be created only when successful, in an atomic
    operation. There could be other places in the make system which
    require a similar fix, this needs to be investigated further.

Change-Id: I25c8ee23577a460eace196fd28c23cc67aa72a9a
    Signed-off-by: Kyösti Mälkki

Reviewed-By: Patrick Georgi  at Sat Mar 31 11:29:46 2012, giving +2
See http://review.coreboot.org/830 for details.

-gerrit