[PATCH] USB: ftdi_sio: add support for ASK RDR 400 series card reader

This patch adds support for an ASK RDR 400 series contactless card
reader <http://www.ask.fr/uk/products_and_services/terminals.html> to
the ftdi_sio driver's device ID table.  The product ID was supplied by
Adriano Couto on the ftdi-usb-sio-devel list.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>