ASoC: fsl: Remove unused of_gpio.h

of_gpio.h is deprecated and subject to remove. The drivers in question
don't use it, simply remove the unused header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240605221446.2624964-3-andriy.shevchenko@linux.intel.comReviewed-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/imx-es8328.c

@@ -8,7 +8,6 @@
 #include <linux/of.h>
 #include <linux/of_platform.h>
 #include <linux/i2c.h>
-#include <linux/of_gpio.h>
 #include <sound/soc.h>
 #include <sound/jack.h>
 

sound/soc/fsl/imx-rpmsg.c

@@ -5,9 +5,7 @@
 #include <linux/of_platform.h>
 #include <linux/of_reserved_mem.h>
 #include <linux/i2c.h>
-#include <linux/of_gpio.h>
 #include <linux/slab.h>
-#include <linux/gpio.h>
 #include <linux/clk.h>
 #include <sound/soc.h>
 #include <sound/jack.h>