vDPA/ifcvf: rename original IFCVF dev ids to N3000 ids

IFCVF driver probes multiple types of devices now,
to distinguish the original device driven by IFCVF
from others, it is renamed as "N3000".

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210317094933.16417-4-lingshan.zhu@intel.com


Signed-off-by: Michael S. Tsirkin <mst@redhat.com>