net: macsec: PN wrap callback (#10)

[ Upstream (net-next) commit 5c937de78b39e47ce9924fc4b863c5b727edc328 ]

Allow to call macsec_pn_wrapped from hardware drivers to notify when a
PN rolls over. Some drivers might used an interrupt to implement this.

Change-Id: I6f749e47b8127908d06c60d23ad4831bb7a91f6d
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Git-commit: 195ac132552b03d0cc918dd1c6e42463e372706c
Git-repo: https://github.com/aquantia/linux-4.14-atlantic-forwarding


Signed-off-by: Jinesh K. Jayakumar <jineshk@codeaurora.org>