ASoC: codecs: max9892x: Reformat to coding style

Reformat the code to match Linuxn coding style: re-indent continued
lines and stop too-early line wrapping, drop unneeded {} brackets.  No
functional impact.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230730201826.70453-3-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>