drm/amd/powerplay: update the interface for getting dpm full scale clock frequency

Update get_dpm_uclk_limited to get more clock type full scale dpm frequency.

Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>