[PATCH] drm: Document code of conduct

[Adam Jackson]

On Tue, 2017-04-18 at 12:10 +0200, Daniel Vetter wrote:
> freedesktop.org has adopted a formal&enforced code of conduct:
> 
> https://www.fooishbar.org/blog/fdo-contributor-covenant/
> https://www.freedesktop.org/wiki/CodeOfConduct/
> 
> Besides formalizing things a bit more I don't think this changes
> anything for us, we've already peer-enforced respectful and
> constructive interactions since a long time. But it's good to document
> things properly.
> 
> v2: Drop confusing note from commit message and clarify the grammer
> (Chris, Alex and others).

Acked-by: Adam Jackson <ajax at redhat.com>

- ajax