drm/amd/powerplay: print overdrive percentage information for smu11

Add function to get sclk or mclk overdrive percentage information for smu11.

Signed-off-by: Likun Gao <[email protected]>
Reviewed-by: Kevin Wang <[email protected]>
Reviewed-by: Evan Quan <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
3 files changed