drm/amdgpu: dynamically initialize IP offset for Arcturus

Add support for the IP offsets on Arcturus.

Signed-off-by: Le Ma <le.ma@amd.com>
Acked-by: Snow Zhang < Snow.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
4 files changed