arswitch.4: Improve title and add HARDWARE

For visibility in apropos and inclusion in the hardware release notes.

MFC after:		3 days
Reviewed by:		adrian (previous), mhorne
Approved by:		mhorne (mentor)
Approved by:		re (cperciva)
Differential Revision:	https://reviews.freebsd.org/D50322

(cherry picked from commit 9692d5e15e9bd7e628b06d655522477ce8c5b6fe)
(cherry picked from commit 1343a5b616ec4e11047c5024bb844e7275f84ddd)

share/man/man4/arswitch.4

@@ -22,12 +22,12 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd August 8, 2023
+.Dd May 11, 2025
 .Dt ARSWITCH 4
 .Os
 .Sh NAME
 .Nm arswitch
-.Nd driver for Atheros Fast Ethernet switch
+.Nd Atheros AR8000 series Ethernet switch driver
 .Sh SYNOPSIS
 .Cd "device mdio"
 .Cd "device etherswitch"
@@ -35,18 +35,8 @@
 .Sh DESCRIPTION
 The
 .Nm
-device driver provides a management interface to multiple Atheros
-fast ethernet switch chips:
-.Bl -tag -compact -width "AR8216"
-.It AR8216
-Fast Ethernet Switch
-.It AR8226
-.It AR8316
-Six-port Gigabit Ethernet Switch
-.It AR8327
-Seven-port Gigabit Ethernet Switch
-.El
-.Pp
+driver provides a management interface to Atheros AR8000 series Ethernet
+switch controllers.
 The driver uses an
 .Xr mdio 4
 or
@@ -70,6 +60,23 @@ and
 are mutually exclusive.
 .Pp
 Setting the switch MAC address is not supported.
+.Sh HARDWARE
+The
+.Nm
+driver supports the following Ethernet switch controllers:
+.Pp
+.Bl -bullet -compact
+.It
+Atheros AR8327 Seven-port Gigabit Ethernet Switch
+.It
+Atheros AR8316 Six-port Gigabit Ethernet Switch
+.It
+Atheros AR8236 Six-port Fast Ethernet Switch
+.It
+Atheros AR8226 Six-port Fast Ethernet Switch
+.It
+Atheros AR8216 Six-port Fast Ethernet Switch
+.El
 .Sh SEE ALSO
 .Xr etherswitch 4 ,
 .Xr etherswitchcfg 8