[TG3]: Add TSO firmware license

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index fc9b5cd..d205013 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7,7 +7,12 @@
  * Copyright (C) 2005 Broadcom Corporation.
  *
  * Firmware is:
- * 	Copyright (C) 2000-2003 Broadcom Corporation.
+ *	Derived from proprietary unpublished source code,
+ *	Copyright (C) 2000-2003 Broadcom Corporation.
+ *
+ *	Permission is hereby granted for the distribution of this firmware
+ *	data in hexadecimal or equivalent format, provided this copyright
+ *	notice is accompanying it.
  */
 
 #include <linux/config.h>