package/busybox: convert S10mdev to the canonical init script format

Signed-off-by: Titouan Christophe <titouan.christophe@railnova.eu>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/busybox/S10mdev

@@ -3,21 +3,24 @@
 # Start mdev....
 #
 
-case "$1" in
-  start)
+
+start() {
 	echo "Starting mdev..."
 	echo /sbin/mdev >/proc/sys/kernel/hotplug
 	/sbin/mdev -s
 	# coldplug modules
-	find /sys/ -name modalias -print0 | xargs -0 sort -u | tr '\n' '\0' | \
-	    xargs -0 modprobe -abq
-	;;
-  stop)
-	;;
-  restart|reload)
+	find /sys/ -name modalias -print0 | \
+		xargs -0 sort -u | \
+		tr '\n' '\0' | \
+		xargs -0 modprobe -abq
+}
+
+case "$1" in
+  start)
+	"$1"
 	;;
   *)
-	echo "Usage: $0 {start|stop|restart}"
+	echo "Usage: $0 start"
 	exit 1
 esac