p54usb: add USB ID for Phillips CPWUA054

Retarget of an old patch against prism54usb in linux-wireless archive:

	http://marc.info/?l=linux-wireless&m=117449935810254&w=2

Cc: Ivo Couckuyt <iv0co@yahoo.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54usb.c b/drivers/net/wireless/p54usb.c
index 60d286e..f869566 100644
--- a/drivers/net/wireless/p54usb.c
+++ b/drivers/net/wireless/p54usb.c
@@ -35,6 +35,7 @@
 	{USB_DEVICE(0x0707, 0xee06)},	/* SMC 2862W-G */
 	{USB_DEVICE(0x083a, 0x4501)},	/* Accton 802.11g WN4501 USB */
 	{USB_DEVICE(0x083a, 0x4502)},	/* Siemens Gigaset USB Adapter */
+	{USB_DEVICE(0x083a, 0x5501)},	/* Phillips CPWUA054 */
 	{USB_DEVICE(0x0846, 0x4200)},	/* Netgear WG121 */
 	{USB_DEVICE(0x0846, 0x4210)},	/* Netgear WG121 the second ? */
 	{USB_DEVICE(0x0846, 0x4220)},	/* Netgear WG111 */