board/common: Collect all system init in a dedicated runparts dir

This makes it easier to add more scripts without having to update the
finit config file, and it clarifies which of the scripts in
/libexec/infix only execute at boot.

board/common/rootfs/etc/finit.d/10-infix.conf

@@ -1,3 +1 @@
-run [S] log:console   /libexec/infix/probe -- Probing system information
-run [S] <pid/syslogd> /libexec/infix/sysctl-sync-ip-conf --
-run [S] <pid/syslogd> /libexec/infix/nameif -- Probing network interfaces
+task name:ixinit log:tag:ixinit [S] <pid/syslogd> /libexec/finit/runparts -p /libexec/infix/init.d -- Probing system

board/common/rootfs/libexec/infix/init.d/10-sysctl-sync-ip-conf

@@ -10,8 +10,7 @@ sysctl net.ipv4.conf.default  >$tmp
 sysctl net.ipv6.conf.default >>$tmp
 
 for iface in $(ip -j link show | jq -r .[].ifname); do
-    sed -e "s/.default./.${iface}./g" $tmp | sysctl -p -
+    sed -e "s/.default./.${iface}./g" $tmp | sysctl -q -p -
 done
 
 rm $tmp
-

board/common/rootfs/libexec/infix/init.d/99-done

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec initctl -bq cond set ixinit-done

package/confd/confd.conf

@@ -1,6 +1,6 @@
 #set DEBUG=1
 
-run name:bootstrap log:prio:user.notice norestart <pid/syslogd> \
+run name:bootstrap log:prio:user.notice norestart <usr/ixinit-done> \
 	[S] /usr/libexec/confd/bootstrap \
 	-- Bootstrapping YANG datastore