lauv-aux-rpi/fs/etc/rc.d: add service usbmount to mount usb in /opt/lsts/dune/log.

systems/lauv-aux-rpi/fs/etc/rc.d/usbmount

@@ -0,0 +1,28 @@
+try_mount_storage()
+{
+    n=0; while [ $n -lt 30 ]; do
+             /bin/mount "$1" /opt/lsts/dune/log
+
+             if [ $? -eq 0 ]; then
+                 return 0
+             fi
+
+             sleep 1
+             let n++
+         done
+
+    return 1
+}
+
+start()
+{
+    try_mount_storage /dev/sda1
+    echo "* USB Mounted in /opt/lsts/dune/log"
+}
+
+stop()
+{
+    /bin/umount /dev/sda1
+    echo "* USB Umounted"
+}
+