workaround issue that when uvd dpm disabled,
uvd clock remain high on polaris10. Manually turn
off the clocks.
Signed-off-by: NRex Zhu <Rex.Zhu@amd.com>
Reviewed-by: NKen Wang <Qingqing.Wang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>