[PATCH] drm: of: fix documentation reference

[Maxime Ripard]

On Fri, 28 Mar 2025 12:41:48 +0100, Raphael Gallais-Pou wrote:
> Documentation/devicetree/bindings/graph.txt content has move directly to
> the dt-schema repo.
> 
> Point to the YAML of the official repo instead of the old file.
> 
> 
> [ ... ]

Reviewed-by: Maxime Ripard <mripard at kernel.org>

Thanks!
Maxime