- skel-root/ax: add /var/volatile and mount it to tmpfs

skel-root/axtech/ax/etc/init.d/rcS

@@ -27,6 +27,7 @@ mkdir -p /dev/shm/usb
 
 # mount var-partition
 # FIXME
+mount -t tmpfs tmpfs /var/volatile
 
 # for nfsd
 mkdir -p /var/lib/nfs