drm/amdgpu: enable gfx clock gating control for GC 10.3.7

Enable gfx cg gate/ungate control for GC 10.3.7.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

@@ -8445,6 +8445,7 @@ static int gfx_v10_0_set_clockgating_state(void *handle,
 	case IP_VERSION(10, 3, 5):
 	case IP_VERSION(10, 3, 6):
 	case IP_VERSION(10, 3, 3):
+	case IP_VERSION(10, 3, 7):
 		gfx_v10_0_update_gfx_clock_gating(adev,
 						 state == AMD_CG_STATE_GATE);
 		break;