USB: VID/PID update for sierra

Adds VID/PID for the MC8775 found internally in the Thinkpad X61s laptop
(and likely others). For commercial reasons the driver maintainer cannot
add VID/PIDs for laptop OEM devices himself.

Signed-off-by: Kevin R Page <linux-kernel@krp.org.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index e5c2740..c295d04 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -109,6 +109,7 @@
 	{ USB_DEVICE(0x1199, 0x6804) },	/* Sierra Wireless MC8755 */
 	{ USB_DEVICE(0x1199, 0x6803) },	/* Sierra Wireless MC8765 */
 	{ USB_DEVICE(0x1199, 0x6812) },	/* Sierra Wireless MC8775 & AC 875U */
+	{ USB_DEVICE(0x1199, 0x6813) },	/* Sierra Wireless MC8775 (Thinkpad internal) */
 	{ USB_DEVICE(0x1199, 0x6820) },	/* Sierra Wireless AirCard 875 */
 	{ USB_DEVICE(0x1199, 0x6832) },	/* Sierra Wireless MC8780*/
 	{ USB_DEVICE(0x1199, 0x6833) },	/* Sierra Wireless MC8781*/
@@ -146,6 +147,7 @@
 	{ USB_DEVICE(0x1199, 0x6804) },	/* Sierra Wireless MC8755 */
 	{ USB_DEVICE(0x1199, 0x6803) },	/* Sierra Wireless MC8765 */
 	{ USB_DEVICE(0x1199, 0x6812) },	/* Sierra Wireless MC8775 & AC 875U */
+	{ USB_DEVICE(0x1199, 0x6813) },	/* Sierra Wireless MC8775 (Thinkpad internal) */
 	{ USB_DEVICE(0x1199, 0x6820) },	/* Sierra Wireless AirCard 875 */
 	{ USB_DEVICE(0x1199, 0x6832) },	/* Sierra Wireless MC8780*/
 	{ USB_DEVICE(0x1199, 0x6833) },	/* Sierra Wireless MC8781*/