drm/amdgpu/discovery: add VCN 4.0 Support

Enable VCN 4.0 on asics where it is present.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
James Zhu 2022-04-04 17:35:39 -04:00 • committed by Alex Deucher
commit d6ffefccf7