Linux 5.6

Kernelnewbies provides a nice community changelog[0]. It is a skeleton as I post this, but it'll be useful later on, as is the case with previous Linux releases.

[0]: https://kernelnewbies.org/Linux_5.6

This is the release that brings us Wireguard on mainline! https://lists.zx2c4.com/pipermail/wireguard/2020-March/00520...