[src/trunk]: src/share/man/man4 Remove very outdated note about no WPA support.

[maya <maya%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fcdb68e88933
branches:  trunk
changeset: 451552:fcdb68e88933
user:      maya <maya%NetBSD.org@localhost>
date:      Mon May 27 02:23:16 2019 +0000

description:
Remove very outdated note about no WPA support.
>From Giles Lean in PR bin/37024, who confirmed wpa_supplicant works fine.

I didn't add a mention of wpa_supplicant. I don't think people expect WPA
support to come in any other form.

diffstat:

 share/man/man4/ath.4 |  8 ++------
 1 files changed, 2 insertions(+), 6 deletions(-)

diffs (29 lines):

diff -r 88da6201d08b -r fcdb68e88933 share/man/man4/ath.4
--- a/share/man/man4/ath.4      Mon May 27 00:24:37 2019 +0000
+++ b/share/man/man4/ath.4      Mon May 27 02:23:16 2019 +0000
@@ -1,4 +1,4 @@
-.\"     $NetBSD: ath.4,v 1.33 2018/12/15 15:34:07 jakllsch Exp $
+.\"     $NetBSD: ath.4,v 1.34 2019/05/27 02:23:16 maya Exp $
 .\"
 .\" Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
 .\" All rights reserved.
@@ -41,7 +41,7 @@
 .\" $FreeBSD: /repoman/r/ncvs/src/share/man/man4/ath.4,v 1.16 2004/02/18 08:30:08 maxim Exp $
 .\" parts from $FreeBSD: /repoman/r/ncvs/src/share/man/man4/ath_hal.4,v 1.7 2004/01/07 20:49:51 blackend Exp $
 .\"
-.Dd December 15, 2018
+.Dd May 27, 2019
 .Dt ATH 4
 .Os
 .Sh NAME
@@ -88,10 +88,6 @@
 .Dq rate control
 algorithm employed by the driver.
 All chips support WEP encryption.
-AR5211 and AR5212 support the AES, TKIP, and Michael cryptographic
-operations required for WPA but at this time the driver does not support them.
-To enable encryption, use
-.Xr ifconfig 8 .
 .Pp
 By default, the
 .Nm