gpio: pch: Sort headers alphabetically

Sort header block alphabetically for easy maintenance.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/gpio/gpio-pch.c

@@ -14,12 +14,12 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
 #include <linux/gpio/driver.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
 #include <linux/slab.h>
 
 #define PCH_EDGE_FALLING	0