drm/amdgpu/powerplay: update Arcturus smu version in new place

Follow patch below:
    drm/amd/powerplay: re-define smu interface version for smu v11

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>