I don’t think that’s a Linux distro. It looks like that is Libre’s fork of the Linux kernel.
Why don’t you use one of the official distributions that Libre maintains and recommends?
If you are new to Linux and/or single board computers, I would suggest using the libre version of Raspian.
This post has instructions and links for Raspian for lePotato: https://hub.libre.computer/t/raspbian-11-bullseye-for-libre-computer-boards/82