drm/amdgpu: add Navi12 VCN firmware support

Add Navi12 to VCN family

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed