Missed AMD_CG_SUPPORT_GFX_CP_LS accidently when commit patch before
    drm/amdgpu: enable gfx clock gating for Arcturus
Signed-off-by: NLe Ma <le.ma@amd.com>
Reviewed-by: NKevin Wang <kevin1.wang@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>