zd1211rw: adding 0409:0248 to supported device list

Yasuhiro ABE <yadiary@gmail.com> reported success in sourceforge zd1211-dev list.
The device is a NEC Aterm WL54GU usb wireless stick.

The brand and retail product name
    NEC, Aterm PA-WL54GU
The USB ID's (duh)
    ID 0409:0248
The chip ID string
    zd1211rw 1-1:1.0: zd1211b chip 0409:0248 v4810 high 00-1b-8b AL2230S_RF pa0 g--N-
The FCC ID
    unknown
Signed-off-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Yasuhiro ABE <yadiary@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/zd1211rw/zd_usb.c

@@ -62,6 +62,7 @@ static struct usb_device_id usb_ids[] = {
 	{ USB_DEVICE(0x6891, 0xa727), .driver_info = DEVICE_ZD1211 },
 	/* ZD1211B */
 	{ USB_DEVICE(0x0053, 0x5301), .driver_info = DEVICE_ZD1211B },
+	{ USB_DEVICE(0x0409, 0x0248), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x0411, 0x00da), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x0471, 0x1236), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x0471, 0x1237), .driver_info = DEVICE_ZD1211B },