can: ems_pci: Add Asix AX99100 definitions

Add Asix AX99100 PCI IDs and add the v3 to the ems_pci_tbl.
Add define for maximum CAN channel count

Signed-off-by: Gerhard Uttenthaler <uttenthaler@ems-wuensche.com>
Link: https://lore.kernel.org/all/20230120112616.6071-3-uttenthaler@ems-wuensche.com


Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>