Add support for OpenRC runscripts (#2935)

samples/OpenRC runscript/acpid

@@ -0,0 +1,19 @@
+#!/sbin/openrc-run
+
+description="Daemon for Advanced Configuration and Power Interface"
+
+extra_started_commands="reload"
+command="/usr/sbin/acpid"
+command_args="$ACPID_ARGS"
+start_stop_daemon_args="--quiet"
+
+depend() {
+	need localmount
+	use logger
+}
+
+reload() {
+	ebegin "Reloading acpid configuration"
+	start-stop-daemon --exec $command --signal HUP
+	eend $?
+}