drm/amdgpu: add pci DID for Arcturus GL-XL.

Add device ids for Arcturus.

Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>