be2net: call be_vf_eth_addr_config() after register_netdev

This is to avoid the completion processing for be_vf_eth_addr_config
to consume the link status notification before netdev_register.
Otherwise this causes the PF miss its first link status update.

Signed-off-by: Ajit Khaparde <ajit.khaparde@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>