Add an entry on rc.conf(5) explaining the new options

nis_ypldap_enable and nis_ypldap_flags.

Also add an entry on ypldap(8) that it is a feature ready and
appears on FreeBSD 11.0.

Requested by:	rodrigc
Relnotes:	Yes

share/man/man5/rc.conf.5

@@ -2559,6 +2559,22 @@ is set to
 these are the flags to pass to the
 .Xr ypbind 8
 service.
+.It Va nis_ypldap_enable
+.Pq Vt bool
+If set to
+.Dq Li YES ,
+run the
+.Xr ypldap 8
+daemon at system boot time.
+.It Va nis_ypldap_flags
+.Pq Vt str
+If
+.Va nis.ypldap_enable
+is set to
+.Dq Li YES ,
+these are the flags to pass to the
+.Xr ypldap 8
+daemon.
 .It Va nis_ypset_enable
 .Pq Vt bool
 If set to

usr.sbin/ypldap/ypldap.8

@@ -74,7 +74,9 @@ configuration file.
 The
 .Nm
 program first appeared in
-.Ox 4.4 .
+.Ox 4.4
+and then
+.Fx 11.0 .
 .Sh AUTHORS
 The
 .Nm