mainboard/google/reef: add board SKU'ing support

There are 2 gpios on reef-like boards that can be composed
into a SKU. Add support for identifying the SKU value using
the base 3 gpio logic. Also export the SKU information to the
SMBIOS type 1 table.

BUG=chrome-os-partner:59887,chrome-os-partner:60494
BRANCH=reef

Change-Id: I8bb94207b0b7833d758054a817b655e248f1b239
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17771
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

0 files changed, 0 insertions, 0 deletions