contrib/dut-console: Set default port to 9999

BUG=none
TEST=`dut-console -c ec` works

Change-Id: I1ecc22c9c28023fac63c2d9f7b50e607a6df8c15
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2255722
Reviewed-by: Tzung-Bi Shih <tzungbi@chromium.org>
Commit-Queue: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
1 file changed