octeon_ep: support OCTEON CN98 devices

octeon_ep: support OCTEON CN98 devices

Add PCI Endpoint NIC support for Octeon CN98 devices.
CN98 devices are part of Octeon 9 family products with
similar PCI NIC characteristics to CN93, already supported
driver.

Add CN98 card to the device id table, as well
as support differences in the register fields and
certain usage scenarios such as unload.

Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20231129045348.2538843-3-srasheed@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>