[Arm-netbook] Open source Allwinner R40 circuit diagrams

[joem]

All 11 page KiCAD conversion complete and uploaded.
Now moving to layout - done up Allwinner R40 BGA and 8GB eMMC BGA
footprints. 

https://hellosemi.com/KiCAD_Linux_Boards.html

>> Thinking first board will be a minimalist square board with SoC 2GB DRAM
>> serial uSD HDMI PMIC SATA USB flash just to get it to boot.
> 
> sounds eminently sensible.