USB: cp210x: add ID for KCF Technologies PRN device

commit c735ed74d83f8ecb45c4c4c95a16853c9c3c8157 upstream.

Added the USB serial console device ID for KCF Technologies PRN device
which has a USB port for its serial console.

Signed-off-by: Mark Edwards <sonofaforester@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>