ASoC: dt-bindings: maxim,max98371: Convert to DT schema

Convert the Maxim Integrated MAX98371 audio codec bindings to DT schema.

Signed-off-by: André Morishita <andremorishita@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230401181930.533067-1-andremorishita@gmail.com


Signed-off-by: Mark Brown <broonie@kernel.org>