Arch Linux Arm --> Kernel 5.8 breaks installation

[as365n4]

I had a peek at AUR and there is no U-Boot for Rock64 only for the following boards

U-Boot for A10 OLinuXino Lime
U-Boot for A10s OLinuXino Micro
U-Boot for A13 OLinuXino
U-Boot for A13 OLinuXino Micro
U-Boot for A20 OLinuXino Lime
U-Boot for A20 OLinuXino Lime2
U-Boot for A20 OLinuXino Micro
U-Boot for BananaPi
U-Boot for Cubieboard
U-Boot for Cubieboard 2
U-Boot for Cubietruck
U-Boot for i.MX53 Quick Start Board
U-Boot for ODROID-C4
U-Boot for pcDuino
U-Boot for pcDuino3
U-Boot for pcDuino3 Nano
U-Boot for Raspberry Pi 4
U-Boot for RockPro64
U-Boot tools RCs

Then I had a poke around at ftp://ftp.denx.de/pub/u-boot/
Which are the developers for U-Boot and even in their latest file u-bbot-2020.10-rc1.tar.bz2 there is in the Pine64 subfolder only a makefile for pinebook-pro-rk3399 and rockpro_rk3399