[LEDE-DEV] Convert ar71xx to devicetree

[p.wassi at gmx.at]

> Can you please share your work by putting it up in a tree somewhere?

So should I create a fork of lede-project/source then (on github)?
Keep in mind, it was/is just a proof of concept and still a lot of work
has to be done for clean DT-hooks and other SoCs.
But I'll split the changes into logical units and push them somewhere...

Best regards,
p. Wassi