USB: ftdi_sio: Add ID for RT Systems USB-29B radio cable

Another variant of the RT Systems programming cable for ham radios.

Signed-off-by: Michael Stuermer <ms@mallorn.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 263f625..cee062f 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -721,6 +721,7 @@
  */
 #define RTSYSTEMS_VID			0x2100	/* Vendor ID */
 #define RTSYSTEMS_SERIAL_VX7_PID	0x9e52	/* Serial converter for VX-7 Radios using FT232RL */
+#define RTSYSTEMS_CT29B_PID		0x9e54	/* CT29B Radio Cable */
 
 /*
  * Bayer Ascensia Contour blood glucose meter USB-converter cable.