hid: Make game controllers accessible to members of the game group

Their events have to be accessible by unprivileged users via e.g. libsdl.

MFC after:	1 month

share/man/man4/hgame.4

@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd November 12, 2025
+.Dd November 30, 2025
 .Dt HGAME 4
 .Os
 .Sh NAME
@@ -69,8 +69,9 @@ prompt, or add it to
 To give user applications access to the game controllers,
 allow user access to the
 .Pa /dev/input/event*
-nodes with
-.Xr devfs.rules 5 .
+nodes with inclusion of user in the
+.Em games
+group.
 .Sh HARDWARE
 The
 .Nm

share/man/man4/ps4dshock.4

@@ -21,7 +21,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd September 19, 2020
+.Dd November 30, 2025
 .Dt PS4DSHOCK 4
 .Os
 .Sh NAME
@@ -55,6 +55,9 @@ The
 device presents the game controller as a
 .Ar evdev
 type device.
+It is accessible to members of the
+.Em games
+group.
 .Sh SYSCTL VARIABLES
 Next parameters are available as
 .Xr sysctl 8

share/man/man4/xb360gp.4

@@ -21,7 +21,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd September 16, 2020
+.Dd November 30, 2025
 .Dt XB360GP 4
 .Os
 .Sh NAME
@@ -56,6 +56,9 @@ The
 device presents the game controller as a
 .Ar evdev
 type device.
+It is accessible to members of the
+.Em games
+group.
 .Sh SYSCTL VARIABLES
 The following variable is available as both
 .Xr sysctl 8