devicetree: fix some bindings file names

There were some file movements that changed the location for
some DT bindings. Fix them with:
	scripts/documentation-file-ref-check --fix

After manually checking if the new file makes sense.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>