Move ME warning message to stderr for script parsing.

BUG=chrome-os-partner:7613
TEST=compile successfully.

Change-Id: Ieb2d4b89390393bf3de47910e0df9148155dac8f
Reviewed-on: https://gerrit.chromium.org/gerrit/14459
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: Yung-Chieh Lo <yjlou%chromium.org@gtempaccount.com>
1 file changed