drm/amd/powerplay: apply clocks adjust rules on power state change

This add the apply_clocks_adjust_rules callback which is used
to validate the clock settings on a power state change.

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