ti_usb_3410_5052: add Multi-Tech firmware

Add the Multi-Tech cellular modem firmware to the TI USB serial driver.
This firmware was extracted from:

ftp://ftp.multitech.com/wireless/wireless_linux.zip

Firmware licence: "all firmware components are redistributable in binary
	form" per support@multitech.com
	Copyright (C) 2005 Multi-Tech Systems, Inc.

Signed-off-by: Chris Adams <cmadams@hiwaay.net>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

WHENCE

@@ -191,7 +191,7 @@ Original licence information: None
 
 --------------------------------------------------------------------------
 
-Driver: tu_usb_3410_5052 -- USB TI 3410/5052 serial device
+Driver: ti_usb_3410_5052 -- USB TI 3410/5052 serial device
 
 File: ti_3410.fw
 Info: firmware 9/10/04 FW3410_Special_StartWdogOnStartPort
@@ -206,6 +206,20 @@ Found in hex form in kernel source.
 
 --------------------------------------------------------------------------
 
+Driver: ti_usb_3410_5052 -- Multi-Tech USB cell modems
+
+File: mts_cdma.fw
+File: mts_gsm.fw
+File: mts_edge.fw
+
+Licence: "all firmware components are redistributable in binary form"
+         per support@multitech.com
+	 Copyright (C) 2005 Multi-Tech Systems, Inc.
+
+Found in hex form in ftp://ftp.multitech.com/wireless/wireless_linux.zip
+
+--------------------------------------------------------------------------
+
 Driver: whiteheat -- USB ConnectTech WhiteHEAT serial device
 
 File: whiteheat.fw