[coreboot-gerrit] Patch merged into coreboot/master: util/abuild: Don't set XGCCPATH if it's in the environment

the following patch was just integrated into master:
commit 14b9b9380a4649a1ec4440f625e34cb25c87df6f
Author: Martin Roth 
Date:   Wed Nov 30 16:38:25 2016 -0700

util/abuild: Don't set XGCCPATH if it's in the environment

Change-Id: I0fa231ca3d33300a671810e994c5be54ac10a18b
    Signed-off-by: Martin Roth 
    Reviewed-on: https://review.coreboot.org/17723
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See https://review.coreboot.org/17723 for details.

-gerrit