Add samus to freon boards

BUG=chromium:428125
TEST=run it, check that overlay stack updated in board setup
CQ-DEPEND=CL:*184288

Change-Id: I17dac81c0fa3a49b448bfa51f6898ad7f0178f83
Reviewed-on: https://chromium-review.googlesource.com/230280
Commit-Queue: Haixia Shi <hshi@chromium.org>
Tested-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
Reviewed-by: Michael Spang <spang@chromium.org>
1 file changed