BUTTERFLY-FACTORY: butterfly: add ec command support

This adds EC command support for Butterfly

BRANCH=none
BUG=chrome-os-partner:13716
TEST=tested "mosys ec info" on butterfly

Change-Id: I99b5319d48e2712680e2f02042c4c591a8c7279d
Reviewed-on: https://gerrit.chromium.org/gerrit/33286
Reviewed-by: Ricky Liang <jcliang@chromium.org>
Tested-by: Ricky Liang <jcliang@chromium.org>
5 files changed