USB: ftdi_sio: Added PID for new ekey device

commit 646907f5bfb0782c731ae9ff6fb63471a3566132 upstream.

Added support to the ftdi_sio driver for ekey Converter USB which
uses an FT232BM chip.

Signed-off-by: Jaša Bartelj <jasa.bartelj@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>