[PATCH] docs: dt: fix broken links due to txt->yaml renames

[Joe Perches]

On Mon, 2020-05-04 at 11:30 +0200, Mauro Carvalho Chehab wrote:
> There are some new broken doc links due to yaml renames
> at DT. Developers should really run:
> 
> 	./scripts/documentation-file-ref-check
> 
> in order to solve those issues while submitting patches.
> This tool can even fix most of the issues with:
> 
> 	./scripts/documentation-file-ref-check --fix

Thanks Mauro.