Linux mainline support

[numbqq]

Mainline linux support for Edge will be merged to mianline kernel in linux 5.3.

https://patchwork.kernel.org/patch/10984227/

https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git/commit/arch/arm64/boot/dts/rockchip?h=v5.3-armsoc/dts64&id=c2aacceedc86af87428d998e23a1aca24fd8aa2e

I will try to send u-boot patches to upstream…