dut-console: Add support for arbitrary servod port

BUG=none
TEST=dut-control ec 9000

Change-Id: I16b6576296c26c475ce024ba6fed66c94fa803a4
Reviewed-on: https://chromium-review.googlesource.com/1186002
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
1 file changed