package/iwd: update S40iwd (use long options)

- use long options (as suggested in [1] example)
- drop '-q'/quiet option from startup

[1] https://nightly.buildroot.org/#adding-packages-start-script

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 58a19f3240)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>

package/iwd/S40iwd

@@ -10,7 +10,8 @@ IWD_ARGS=""
 start() {
 	printf 'Starting %s: ' "$DAEMON"
 	mkdir -p /tmp/iwd/hotspot
-	start-stop-daemon -b -m -S -q -p "$PIDFILE" -x "/usr/libexec/$DAEMON" \
+	start-stop-daemon --start --background --make-pidfile \
+		--pidfile "$PIDFILE" --exec "/usr/libexec/$DAEMON" \
 		-- $IWD_ARGS
 	status=$?
 	if [ "$status" -eq 0 ]; then
@@ -23,7 +24,7 @@ start() {
 
 stop() {
 	printf 'Stopping %s: ' "$DAEMON"
-	start-stop-daemon -K -q -p "$PIDFILE"
+	start-stop-daemon --stop --quiet --pidfile "$PIDFILE"
 	status=$?
 	if [ "$status" -eq 0 ]; then
 		echo "OK"