pinctrl: cs42l43: Tidy up header includes

Fixup a couple of incorrect header includes.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20240129153138.3221604-1-ckeepax@opensource.cirrus.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/cirrus/pinctrl-cs42l43.c

@@ -5,10 +5,10 @@
 // Copyright (c) 2023 Cirrus Logic, Inc. and
 //                    Cirrus Logic International Semiconductor Ltd.
 
+#include <linux/array_size.h>
 #include <linux/bits.h>
 #include <linux/build_bug.h>
 #include <linux/err.h>
-#include <linux/errno.h>
 #include <linux/gpio/driver.h>
 #include <linux/mfd/cs42l43.h>
 #include <linux/mfd/cs42l43-regs.h>
@@ -17,7 +17,7 @@
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
-#include <linux/string_helpers.h>
+#include <linux/string_choices.h>
 
 #include <linux/pinctrl/consumer.h>
 #include <linux/pinctrl/pinctrl.h>