Minor fix of the switching steps of normal <-> dev mode.

BUG=chromium-os:19710
TEST=run_remote_tests.sh --remote=$REMOTE_IP -a "xml_config=$OVERLAY_XML \
          servo_vid=0x18d1 servo_pid=0x5001" TryFwB/control.dev
     run_remote_tests.sh --remote=$REMOTE_IP -a "xml_config=$OVERLAY_XML \
          servo_vid=0x18d1 servo_pid=0x5001" TryFwB/control.normal

Change-Id: I26aa6f2ead11ee0df326e107b035b31d0941c71a
Reviewed-on: https://gerrit.chromium.org/gerrit/12481
Commit-Ready: Tom Wai-Hong Tam <waihong@chromium.org>
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
Tested-by: Tom Wai-Hong Tam <waihong@chromium.org>
3 files changed