ASoC: cs42l42: Add include dependencies to cs42l42.h

Make cs42l42.h include the other headers it depends on instead of
assuming that the .c file already included them.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220817122347.1356773-3-rf@opensource.cirrus.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs42l42.h

@@ -12,7 +12,12 @@
 #ifndef __CS42L42_H__
 #define __CS42L42_H__
 
+#include <dt-bindings/sound/cs42l42.h>
+#include <linux/device.h>
+#include <linux/gpio.h>
 #include <linux/mutex.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
 #include <sound/jack.h>
 #include <sound/cs42l42.h>