ASoC: max98388: Correct the includes

The MAX98388 driver is using the modern GPIO descriptor API
but uses legacy includes. Include the proper <linux/consumer.h>
header instead.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230911-descriptors-asoc-max-v2-4-b9d793fb768e@linaro.org


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