The EC currently assumes the AP only provides USB power during S0, which
is incorrect. This CL adds S3 so that it behaves when the device is
suspended.
BUG=chrome-os-partner:19190
TEST=Suspend and unplug power. Doesn't hear clicking sound.
BRANCH=Spring
Change-Id: Ice1421bda55b2fee408ba062ed3de7a697ccd0c8
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/50093
Reviewed-by: Todd Broch <tbroch@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>