If rc6 is enabled, notify GuC so it can do proper forcewake before
command submission.
Signed-off-by: NAlex Dai <yu.dai@intel.com>
Reviewed-by: NTom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>