Add new configuration parameters macsec_replay_protect and
macsec_replay_window to allow user to set up MACsec replay protection
feature. Note that according to IEEE Std 802.1X-2010 replay protection
and delay protection are different features: replay protection is
related only to SecY and does not appear on MKA level while delay
protection is something that KaY can use to manage SecY state.
Signed-off-by: Andrey Kartashev <andrey.kartashev@afconsult.com>