zd1211rw: adding Accton Technology Corp (083a:e501) as a ZD1211B device

New device supported by the zd1211rw driver reported to linux-wireless.
Device string from lsusb:
"ID 083a:e501 Accton Technology Corp. ZD1211B"

RF type from dmesg:
zd1211b chip 083a:e501 v4810 high 00-1a-2a AL2230_RF pa0 g--NS
Signed-off-by: NHin-Tak Leung <htl10@users.sourceforge.net>
Tested-by: Adrián Cereto<ssorgatem@esdebian.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/zd1211rw/zd_usb.c

@@ -76,6 +76,7 @@ static struct usb_device_id usb_ids[] = {
 	{ USB_DEVICE(0x07b8, 0x6001), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x07fa, 0x1196), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x083a, 0x4505), .driver_info = DEVICE_ZD1211B },
+	{ USB_DEVICE(0x083a, 0xe501), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x083a, 0xe503), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x083a, 0xe506), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x0ace, 0x1215), .driver_info = DEVICE_ZD1211B },