drm/amd/pm: enable more dpm features to pair with PMFW 78.31.0

Enables the support for DCN DPM and DCFCLK DS features.

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