The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/overlays/chromiumos-overlay/+/8477f374bb6122c439780f5d51edbef114c8cd85

commit 8477f374bb6122c439780f5d51edbef114c8cd85
Author: Alec Thilenius <athilenius@chromium.org>
Date: Tue Oct 24 22:30:16 2017

coreboot: Use cros_config_main_py in place of get_model_build_targets

Replace use of get_model_build_targets (an eclass function) with the
cros_config_host_py function get-firmware-build-targets.

BUG= chromium:775640 
TEST=emerge chromeos-ec ec-utils coreboot for both pyro and reef-uni
CQ-DEPEND=CL:726301

Change-Id: Ife635282b161ab05aeb88d80fc08eb4c26226642
Reviewed-on: https://chromium-review.googlesource.com/726183
Commit-Ready: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jason Clinton <jclinton@chromium.org>

[modify] https://crrev.com/8477f374bb6122c439780f5d51edbef114c8cd85/sys-boot/coreboot/coreboot-9999.ebuild