use standard chronyd config file, but make sure it starts after docker as it is slow

Signed-off-by: Justin Cormack <justin.cormack@unikernel.com>

alpine/packages/docker/etc/init.d/docker

@@ -6,3 +6,9 @@ command_args="daemon -p \"${pidfile}\" ${DOCKER_OPTS}"
 DOCKER_LOGFILE="${DOCKER_LOGFILE:-/var/log/${RC_SVCNAME}.log}"
 start_stop_daemon_args="--background \
         --stderr \"${DOCKER_LOGFILE}\" --stdout \"${DOCKER_LOGFILE}\""
+
+depend()
+{
+        after 9pudc
+        before chronyd
+}