Patch merged into coreboot/master: libpayload: Makefile: Use variables defined for Kconfig

the following patch was just integrated into master:
commit 2551f5914eb269a303a3da8653036bb82e65798e
Author: Stefan Reinauer 
Date:   Mon Jun 29 14:28:25 2015 -0700

libpayload: Makefile: Use variables defined for Kconfig

Signed-off-by: Stefan Reinauer

Change-Id: Ia451e8250307ad1944cb0429bdfee4bdf18c706b
    Reviewed-on: http://review.coreboot.org/10712
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/10712 for details.

-gerrit