drm/amd/powerplay: add helper function of smu_set_hard_freq_range

add this function to get dpm clock information.

Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2 files changed