ASoC: cs42l42: Don't include kernel.h

kernel.h includes a lot of other headers that we don't need.
Replace with an include of types.h.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220817122347.1356773-2-rf@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs42l42.c

@@ -12,7 +12,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/version.h>
-#include <linux/kernel.h>
+#include <linux/types.h>
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>