ASoC: cs42l42: Drop legacy include

This driver includes the legacy GPIO API <linux/gpio.h> but
does not use any symbols from it.

Drop the include.
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231201-descriptors-sound-cirrus-v2-8-ee9f9d4655eb@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs42l42.c

@@ -15,7 +15,6 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/delay.h>
-#include <linux/gpio.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/acpi.h>

sound/soc/codecs/cs42l42.h

@@ -14,7 +14,7 @@
 
 #include <dt-bindings/sound/cs42l42.h>
 #include <linux/device.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/mutex.h>
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>