Add function to get sclk and mclk for smu11.
Signed-off-by: NLikun Gao <Likun.Gao@amd.com>
Reviewed-by: NHuang Rui <ray.huang@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>