gpio: grgpio: order headers alphabetically

For easier maintenance: order all included headers alphabetically.

Link: https://lore.kernel.org/r/20241015131832.44678-2-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

drivers/gpio/gpio-grgpio.c

@@ -16,20 +16,20 @@
  * Contributors: Andreas Larsson <andreas@gaisler.com>
  */
 
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/spinlock.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/gpio/driver.h>
-#include <linux/slab.h>
+#include <linux/bitops.h>
 #include <linux/err.h>
+#include <linux/gpio/driver.h>
+#include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/irqdomain.h>
-#include <linux/bitops.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
 
 #define GRGPIO_MAX_NGPIO 32