ntpd: add hotplug script that signals when ntp reaches the stratum level like the sysntp implementation

use ntpq to check the status of the ntp server as all other status scripts included in the ntp tarball are
	based on perl which would dramatically increase the footprint of ntpd

Signed-off-by: Peter Wagner <tripolar@gmx.at>

net/ntpd/files/ntpd.init

@@ -5,14 +5,18 @@ START=65
 STOP=65
 
 USE_PROCD=1
+PROG=/sbin/ntpd
+HOTPLUG_HELPER=/usr/sbin/ntpd.hotplug-helper
 
 start_service() {
-#	ln -sf /dev/ttyS0 /dev/gps0
-#	/usr/sbin/setgarmin -d /dev/gps -c /etc/setgarmin.conf
 	mkdir -p /var/lib/ntp
 	chown -R ntp:ntp /var/lib/ntp
 
 	procd_open_instance
-	procd_set_param command /sbin/ntpd -g -u ntp:ntp -p /var/run/ntpd.pid -n
+	procd_set_param command $PROG -g -u ntp:ntp -p /var/run/ntpd.pid -n
+	procd_close_instance
+
+	procd_open_instance
+	procd_set_param command $HOTPLUG_HELPER
 	procd_close_instance
 }