commit 3126d823 upstream.

Adds support for Accesio USB to Serial adapters, which are built around
FTDI FT232 UARTs.  Tested with the Accesio USB-COM-4SM.
Signed-off-by: Rich Mattes <richmattes@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>