Several DT references got broken due to txt->yaml conversion.

Those are auto-fixed by running:

	scripts/documentation-file-ref-check --fix
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: NAndrew Jeffery <andrew@aj.id.au>
Reviewed-by: NDan Murphy <dmurphy@ti.com>
Reviewed-by: NAmit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: NRob Herring <robh@kernel.org>