ASoC: uniphier: add DT bindings documentation for UniPhier EVEA

This patch adds DT binding documentation for UniPhier EVEA
that is SoC inner sound codec of UniPhier series.

Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed