video: adf: set default interface dpms_state to OFF

Interfaces default to unplugged, so they should also default to off

Change-Id: I36500a54b11f354a0d7dd2c9924a79e0d9c6f855
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Git-commit: 96e3384bf3a9703cb6db1131d89eea3f92ffbce6
Git-Repo: https://android.googlesource.com/kernel/common.git


Signed-off-by: Ian Maund <imaund@codeaurora.org>