USB: sierra: add support for Sierra Wireless MC7710

Just add new device id. 3G works fine, LTE not tested.

Signed-off-by: Anton Samokhvalov <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: pg83

drivers/usb/serial/sierra.c

@@ -289,6 +289,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x1199, 0x6856) },	/* Sierra Wireless AirCard 881 U */
 	{ USB_DEVICE(0x1199, 0x6859) },	/* Sierra Wireless AirCard 885 E */
 	{ USB_DEVICE(0x1199, 0x685A) },	/* Sierra Wireless AirCard 885 E */
+	{ USB_DEVICE(0x1199, 0x68A2) }, /* Sierra Wireless MC7710 */
 	/* Sierra Wireless C885 */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x6880, 0xFF, 0xFF, 0xFF)},
 	/* Sierra Wireless C888, Air Card 501, USB 303, USB 304 */