USB: serial: cp210x: Adding Seletek device id's

These device ID's are not associated with the cp210x module currently,
but should be. This patch allows the devices to operate upon connecting
them to the usb bus as intended.

Signed-off-by: Michiel van de Garde <mgparser@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>