Wrong root= command line parameter on arm64 VPS

[anisse]

This is something to be solved after #200 ; root=/dev/vda is passed on the kernel command; while root is root=/dev/vda1 . Once the first problem solved, fixing this bug should allow kexec to work with a distro initramfs.

[anisse]

Note that I opened this in this repo, but this might need to be in another repo.