Lorenz Messtechnik has a device that is controlled by the cp210x driver,
so add the device id to the driver.  The device id was provided by
Silicon-Labs for the devices from this vendor.
Reported-by: NUli <t9cpu@web.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: NJohan Hovold <johan@kernel.org>