hw/vfio-user: add x-pci-class-code

This new option was not added to vfio_user_pci_dev_properties, which
caused an incorrect class code for vfio-user devices.

Fixes: a59d06305fff ("vfio/pci: Introduce x-pci-class-code option")
Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250827190810.1645340-1-john.levon@nutanix.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
1 file changed