drm/amdgpu: add VCN2.0 to Renoir IP blocks

Thus enable VCN2.0 for Renoir

Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>