Adopting "Fixes" trailer

[Ed Maste]

On Fri, 26 Feb 2021 at 21:23, Kubilay Kocak <koobs at freebsd.org> wrote:
>
> Sounds like we want a way to link/ref/relate a sequence or particular
> set/series of commits so they can be identified as
> logically/functionally related, so as to take a consistent set of
> actions with them as a group (merge, or anything else)

Correct. Here's a recent example from Linux:
https://github.com/torvalds/linux/commit/6a6660d049f88b89fd9a4b9db3581b245f7782fa

> ALSA: hda/realtek - Improved routing for Thinkpad X1 7th/8th Gen
> ...
> Fixes: d2cd795 ("ALSA: hda - fixup for the bass speaker on Lenovo Carbon X1 7th gen")