gpio: gpio-xilinx: Arrange headers in sorting order

Arrange header files in sorted order.
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/1605201148-4508-2-git-send-email-srinivas.neeli@xilinx.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/gpio/gpio-xilinx.c

@@ -6,13 +6,13 @@
  */
 
 #include <linux/bitops.h>
-#include <linux/init.h>
 #include <linux/errno.h>
+#include <linux/gpio/driver.h>
+#include <linux/init.h>
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
-#include <linux/io.h>
-#include <linux/gpio/driver.h>
 #include <linux/slab.h>
 
 /* Register Offset Definitions */