fw_dut_info: accept hostname as an arg

BUG=b:141394343
TEST=built and ran (with 1 arg and 0 arg), inspected output.

Change-Id: I5fdc2e2782958cf18b0e7e7ceaa95d0bddb903fd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crostestutils/+/2086288
Tested-by: Kevin Shelton <kmshelton@chromium.org>
Reviewed-by: Greg Edelston <gredelston@google.com>
Commit-Queue: Kevin Shelton <kmshelton@chromium.org>
1 file changed