Drop smaug which apparently never shipped

This board has no overlay and perhaps did not ship.

BUG=chromium:980752
TEST=emerge-sarien sys-apps/mosys

Change-Id: Id9ae05d82002b86b694d455c1689c7e34f7c4cd2
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1686422
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: David Riley <davidriley@chromium.org>
7 files changed