hp-plus needs to call __alloc_eip_netdev() instead of
__alloc_ei_netdev() since it is linked with 8390p.o.

Fixes this build error:
ERROR: "__alloc_ei_netdev" [drivers/net/hp-plus.ko] undefined!
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>