Patch merged into coreboot/master: buildgcc: Add GNU make to reference toolchain

the following patch was just integrated into master:
commit a851bbb40a36d4722b51c8232d2307bf0b2e9c5d
Author: Stefan Reinauer 
Date:   Fri Jan 29 18:03:26 2016 -0800

buildgcc: Add GNU make to reference toolchain

Change-Id: I8a41065880c3fd1f95ee8877031bf1738aaae859
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: https://review.coreboot.org/13519
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See https://review.coreboot.org/13519 for details.

-gerrit