Add a sleep after writing mbr.bin because syslinux doesn't work

init.sh

@@ -164,7 +164,8 @@ then
         # In this mode, we need to write syslinux MBR.
         echo "Writing syslinux mbr.ini fo $dest"
         dd bs=440 count=1 conv=notrunc if=${syslinux_mod}/${BOOT_TYPE}/mbr.bin of=${dest}
-        syslinux --directory syslinux --install ${dest}1
+        sleep 2
+        syslinux --directory /syslinux --install ${dest}1
     fi 
     exit 0
 fi