https://chromium-review.googlesource.com/c/chromiumos/platform2/+/673605

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/platform2/+/0988028a6879e845d274938e51416bc86a260171

commit 0988028a6879e845d274938e51416bc86a260171
Author: Simon Glass <sjg@chromium.org>
Date: Tue Oct 03 03:25:47 2017

chromeos-config: Add brand code

The brand code is associated with a model. It can be used to look up the
OEM and also for controlling access to features bundled with the
Chromebook.

Add it as a new property.

BUG= chromium:766811 
TEST=FEATURES=test emerge-coral chromeos-config-tools
Change-Id: Idfd7c89b65e11cd6ac8862c637065570792f7d4d
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/673605
Reviewed-by: C Shapiro <shapiroc@google.com>

[modify] https://crrev.com/0988028a6879e845d274938e51416bc86a260171/chromeos-config/README.md

The following revision refers to this bug:
  https://chrome-internal.googlesource.com/chromeos/overlays/overlay-reef-private/+/b8bef6ddbbd969fa4b478ae59074ec2fcd98782e

commit b8bef6ddbbd969fa4b478ae59074ec2fcd98782e
Author: Simon Glass <sjg@chromium.org>
Date: Mon Oct 09 14:17:07 2017

There is currently no validation, but the information is in there.

For coral it is used in mosys. For reef it is not yet, but the changes are in flight.