drm/amdgpu/nbio: add aldebaran support

Aldebaran has a new mmBIF_MMSCH1_DOORBELL_RANGE setting.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>