net: thunderbolt: Update module description with mention of USB4

It is Thunderbolt/USB4 now so reflect that in the module description too
to avoid any confusion. No functional changes.
Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/thunderbolt.c

 // SPDX-License-Identifier: GPL-2.0
 /*
- * Networking over Thunderbolt cable using Apple ThunderboltIP protocol
+ * Networking over Thunderbolt/USB4 cables using USB4NET protocol
+ * (formerly Apple ThunderboltIP).
  *
  * Copyright (C) 2017, Intel Corporation
  * Authors: Amir Levy <amir.jer.levy@intel.com>
@@ -1410,5 +1411,5 @@ module_exit(tbnet_exit);
 MODULE_AUTHOR("Amir Levy <amir.jer.levy@intel.com>");
 MODULE_AUTHOR("Michael Jamet <michael.jamet@intel.com>");
 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
-MODULE_DESCRIPTION("Thunderbolt network driver");
+MODULE_DESCRIPTION("Thunderbolt/USB4 network driver");
 MODULE_LICENSE("GPL v2");