Add LRO alignment initially committed in621544eb8c
("[LRO]: fix lro_gen_skb() alignment") and removed in0dcffac1a3
("myri10ge: add multislices support") during conversion to multi-slice. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>