ASoC: dt-bindings: update wcd9335 bindings.

This patch updates wcd9335 bindings with recommended properties.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>