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

commit 675af70856d7cc026be8b6ea7a8b9db10b8b38a1 upstream.

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>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>