Make this manpage ready for hardware notes generation, add more Xrefs and perform

general cleanup.

In particular, don't claim rsu(4) devices can be configured with hostname(1)...

MFC after:	1 week

share/man/man4/rsu.4

@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd July 29 2013
+.Dd May 3, 2014
 .Dt RSU 4
 .Os
 .Sh NAME
@@ -40,7 +40,8 @@ place the following line in
 if_rsu_load="YES"
 .Ed
 .Pp
-After you have read the license in /usr/share/doc/legal/realtek
+After you have read the license in
+.Pa /usr/share/doc/legal/realtek
 you will want to add the following lines to
 .Xr loader.conf 5 :
 .Bd -literal -offset indent
@@ -93,18 +94,19 @@ due to serious weaknesses in it.
 The
 .Nm
 driver can be configured at runtime with
-.Xr ifconfig 8
-or on boot with
-.Xr hostname 1 .
+.Xr ifconfig 8 .
 .Sh FILES
 The driver needs at least version 1.2 of the following firmware file,
 which is loaded when an interface is attached:
 .Pp
 .Bl -tag -width Ds -offset indent -compact
-.It /boot/kernel/rsu-rtl8712fw.ko
+.It Pa /boot/kernel/rsu-rtl8712fw.ko
 .El
 .Sh HARDWARE
-The following adapters should work:
+The
+.Nm
+driver provices support for Realtek RTL8188SU/RTL8192SU USB IEEE 802.11b/g/n
+wireless network adapters, including:
 .Pp
 .Bl -tag -width Ds -offset indent -compact
 .It ASUS USB-N10
@@ -149,14 +151,15 @@ The driver will reset the hardware.
 This should not happen.
 .El
 .Sh SEE ALSO
-.Xr hostname 1 ,
 .Xr intro 1 ,
-.Xr usb 3 ,
+.Xr usb 4 ,
 .Xr netintro 4 ,
 .Xr rsufw 4 ,
 .Xr wlan 4 ,
 .Xr arp 8 ,
-.Xr ifconfig 8
+.Xr hostapd 8 ,
+.Xr ifconfig 8 ,
+.Xr wpa_supplicant 8
 .Sh HISTORY
 The
 .Nm