drm/amdgpu: enable MC MGCG and LS for raven

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -602,7 +602,9 @@ static int soc15_common_early_init(void *handle)
 			AMD_CG_SUPPORT_HDP_LS |
 			AMD_CG_SUPPORT_DRM_MGCG |
 			AMD_CG_SUPPORT_DRM_LS |
-			AMD_CG_SUPPORT_ROM_MGCG;
+			AMD_CG_SUPPORT_ROM_MGCG |
+			AMD_CG_SUPPORT_MC_MGCG |
+			AMD_CG_SUPPORT_MC_LS;
 		adev->pg_flags = 0;
 		adev->external_rev_id = 0x1;
 		break;