added finit init system support

rootfs/overlay/etc/finit.d/available/syslogd.conf

@@ -0,0 +1,16 @@
+# cat syslogd.conf 
+# BusyBox syslogd + klogd
+# Use <pid/syslogd> as barrier for other system tasks and service that
+# rely on modules, firmware, and device nodes to be ready.
+
+# We want syslogd to always run, never be stopped, regardless of runlevel
+# so it can send to any remote syslog server the user has set up.
+service if:udevd nowarn env:-/etc/default/syslogd <!run/udevadm:5/success> \
+	[S0123456789] syslogd -n $SYSLOGD_ARGS -- System log daemon
+service if:mdev  nowarn env:-/etc/default/syslogd <!run/coldplug/success> \
+	[S0123456789] syslogd -n $SYSLOGD_ARGS -- System log daemon
+service if:mdevd nowarn env:-/etc/default/syslogd <!run/coldplug/success> \
+	[S0123456789] syslogd -n $SYSLOGD_ARGS -- System log daemon
+
+# klogd depends on syslogd, but BusyBox syslogd doesn't create a PID file to sync with
+service [S0123456789] <!pid/syslogd> klogd -n -- Kernel log daemon