USB: serial: ftdi_sio: add IDs for Xsens Mti USB converter

The device added has an FTDI chip inside.
The device is used to connect Xsens USB Motion Trackers.

Cc: stable@vger.kernel.org
Signed-off-by: Patrick Riphagen <patrick.riphagen@xsens.com>
Signed-off-by: Johan Hovold <johan@kernel.org>