USB: ftdi_sio: Add USB Product Id for OpenDCC

USB product id registration for the OpenDCC (www.opendcc.de)
model railway central unit. Applies to 2.6.21.1.

Signed-off-by: Guido Scholz <guido.scholz@bayernline.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 9200edc..128c20a 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -319,6 +319,7 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_8U2232C_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) },
 	{ USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) },