Ensure that the expected port is used

src/freedombone-image-customise

 }
 
 configure_ssh {
+    sed -i "s/Port .*/Port 2222/g" $rootdir/etc/ssh/sshd_config
+
     if [[ "$SSH_PUBKEY" != "no" ]]; then
         if [ ! -d $rootdir/home/$MY_USERNAME/.ssh ]; then
             mkdir $rootdir/home/$MY_USERNAME/.ssh