ar9170usb: add ZyXEL NWD271N

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ar9170/usb.c b/drivers/net/wireless/ar9170/usb.c
index 43e8d8d..c9e422e 100644
--- a/drivers/net/wireless/ar9170/usb.c
+++ b/drivers/net/wireless/ar9170/usb.c
@@ -69,6 +69,8 @@
 	{ USB_DEVICE(0x0846, 0x9001) },
 	/* Zydas ZD1221 */
 	{ USB_DEVICE(0x0ace, 0x1221) },
+	/* ZyXEL NWD271N */
+	{ USB_DEVICE(0x0586, 0x3417) },
 	/* Z-Com UB81 BG */
 	{ USB_DEVICE(0x0cde, 0x0023) },
 	/* Z-Com UB82 ABG */