drm/amd/pm: Check feature support using IP version

Instead of ASIC type, use GC and MP1 IP versions for feature support checks.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Kevin Wang <kevinyang.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>