USB: serial: cp210x: add another USB ID for Qivicon ZigBee stick

There are two versions of the Qivicon Zigbee stick in circulation. This
adds the second USB ID to the cp210x driver.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>