build system: add Chrome OS futility to tools

Change-Id: I08925d110c6faa9e37107d63bfa75d0ab677d379
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/13545
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.h@gmx.de>
3 files changed