Allwinner device tree changes for 3.20
A lot of changes to the device tree for the 3.20 merge window, mostly with:
- More DT license convertions, only two DTS and two DTSI are still uncertain
and have not been converted yet
- Use the C-preprocessor includes in the device trees.
- Add support for the A31s SoC and improve the A80 support
- Add IR receiver, lradc, PS/2 support
- Add cpufreq support for all SoCs but the A23 and A80.
- And a lot of new boards