usb: serial: mos7840: Add USB ID to support the B&B Electronics USOPTL4-2P.

commit caf3a636 upstream.

Add the USB ID needed to support B&B Electronic's 2-port, optically-isolated,
powered, USB to RS485 converter.
Signed-off-by: Dave Ludlow <dave.ludlow@bay.ws>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/serial/mos7840.c

@@ -130,6 +130,7 @@
 #define BANDB_DEVICE_ID_USOPTL4_2	0xAC42
 #define BANDB_DEVICE_ID_USOPTL4_4	0xAC44
 #define BANDB_DEVICE_ID_USOPTL2_4	0xAC24
+#define BANDB_DEVICE_ID_USOPTL4_2P      0xBC02
 
 /* This driver also supports
  * ATEN UC2324 device using Moschip MCS7840
@@ -193,6 +194,7 @@ static struct usb_device_id moschip_port_id_table[] = {
 	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2)},
 	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)},
 	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4)},
+	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4P)},
 	{USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)},
 	{USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2322)},
 	{}			/* terminating entry */
@@ -210,6 +212,7 @@ static __devinitdata struct usb_device_id moschip_id_table_combined[] = {
 	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_2)},
 	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL4_4)},
 	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4)},
+	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USOPTL2_4P)},
 	{USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2324)},
 	{USB_DEVICE(USB_VENDOR_ID_ATENINTL, ATENINTL_DEVICE_ID_UC2322)},
 	{}			/* terminating entry */