ar9170usb: add vendor and device ID for Qwest/Actiontec 802AIN Wireless N USB Network Adapter

* add support for the Qwest/Actiontec 802AIN Wireless N USB Network Adapter.

lsusb identifies the device as: "ID 1668:1200 Actiontec Electronics, Inc. [hex]"

usb_modeswitch package and appropriate rules are required to switch
the device from "ID 0ace:20ff ZyDas"

Changes-licensed-under: GPL
Signed-off-by: Steve Tanner <steve.tanner@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ar9170/usb.c

@@ -108,6 +108,8 @@ static struct usb_device_id ar9170_usb_ids[] = {
 	{ USB_DEVICE(0x0409, 0x0249) },
 	/* AVM FRITZ!WLAN USB Stick N 2.4 */
 	{ USB_DEVICE(0x057C, 0x8402), .driver_info = AR9170_REQ_FW1_ONLY },
+	/* Qwest/Actiontec 802AIN Wireless N USB Network Adapter */
+	{ USB_DEVICE(0x1668, 0x1200) },
 
 	/* terminate */
 	{}