Changes in build-archlinux-img-for-helios4.sh:
- update the md5sum for ArchLinuxARM-armv7-latest.tar.gz
- always use the latest version of linux-helios4
- no longer install the linux-helios4-headers package
- clone only the HEAD of the u-boot repository
- run sync before unmounting the partition and the loop device
- remove the fancontrol patch
- set a fixed MAC address to the ethernet interface
- set the default hostname to helios4
- add wake-on-lan support
The ArchLinuxARM-helios4-2019-03-19.img image uses linux-helios4-5.0.2-1.