Add support for Christ Electronic Systems GmbH
CANext FD devices using the gs_usb driver.

Link: https://lore.kernel.org/all/20220309124132.291861-21-mkl@pengutronix.deSigned-off-by: Peter Fink <pfink@christ-es.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>