drm/amd/powerplay: fix some initialize error on polaris10.

1. don't enable SclkThrottleLowNotification, it's not supported.
2. Set missing mclk_dpm0_activity_target

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed