drm/amdgpu: add clockgating support for NBIO v7.7.1

add clockgating support for NBIO ip 7.7.1
Signed-off-by: Li Ma <li.ma@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc21.c

@@ -863,6 +863,7 @@ static int soc21_common_set_clockgating_state(void *handle,
 	case IP_VERSION(4, 3, 0):
 	case IP_VERSION(4, 3, 1):
 	case IP_VERSION(7, 7, 0):
+	case IP_VERSION(7, 7, 1):
 	case IP_VERSION(7, 11, 0):
 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE);