cros_bundle_firmware: fix modification inadvertently left behind

The last minute change in the code was not reverted, resulting in
failures to run the utility when creating a flasher.

BUG=chrome-os-partner:18447
TEST=manual
  . verified that cros_bundle firmware and cros_write_firmware work as expected.

Change-Id: If6b854017d6d5f693bd7acb93ae0aa3f0975ecd7
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/58278
Reviewed-by: Simon Glass <sjg@chromium.org>
1 file changed