ASoC: max98088: clean up some inconsistent indenting

No functional modification involved.

sound/soc/codecs/max98088.c:316 m98088_eq_band() warn: inconsistent indenting.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=5461Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230608075540.61575-1-jiapeng.chong@linux.alibaba.comSigned-off-by: Mark Brown <broonie@kernel.org>