[coreboot-gerrit] Patch merged into coreboot/master: libpayload: update xcompile script

the following patch was just integrated into master:
commit 885ec48b953e29014b405e4e3f4a6df64fbd1d43
Author: Patrick Georgi 
Date:   Wed Jul 1 20:53:00 2015 +0200

libpayload: update xcompile script

Copy from coreboot. at some point it probably should just reuse coreboot's
    version.

Change-Id: Iee905a9060983ff85e2e70bde69a221c64a07cbc
    Signed-off-by: Patrick Georgi 
    Reviewed-on: http://review.coreboot.org/10756
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/10756 for details.

-gerrit