[coreboot] Patch merged into coreboot/master: 658e4d3 libpayload: use $(DOTCONFIG) instead of .config

the following patch was just integrated into master:
commit 658e4d3ea900c9925d1e5dbbc99f08a9a6fc0323
Author: Stefan Reinauer 
Date:   Thu Jan 17 12:29:51 2013 -0800

libpayload: use $(DOTCONFIG) instead of .config

When overriding the DOTCONFIG variable, make install
    will fail in libpayload.

Change-Id: I332be3a4ca2620a32a6f5fbe683e6c71f0d6a9e9
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/2178
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

Reviewed-By: Patrick Georgi  at Fri Jan 25 20:06:45 2013, giving +2
See http://review.coreboot.org/2178 for details.

-gerrit