added all makesd scripts for better version tracking

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
hw-test: disabled reading the devicetree variable from U-Boot environment since it is dynamically generated and not saved

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
useful: added more useful lxde tools

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>