greybus: arche: Remove unwanted headers and rearrange others

This removes few unwanted headers related to irq, interrupt, regulator,
spinlock, etc.

Also arrange the rest in alphabetical order to make it more readable.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/arche-apb-ctrl.c

@@ -7,22 +7,18 @@
  * Released under the GPLv2 only.
  */
 
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/sched.h>
-#include <linux/pm.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
 #include <linux/clk.h>
-#include <linux/of_platform.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
 #include <linux/of_gpio.h>
 #include <linux/of_irq.h>
-#include <linux/spinlock.h>
-#include <linux/regulator/consumer.h>
+#include <linux/module.h>
 #include <linux/pinctrl/consumer.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/regulator/consumer.h>
+#include <linux/spinlock.h>
 #include "arche_platform.h"
 
 enum apb_state {

drivers/staging/greybus/arche-platform.c

@@ -7,22 +7,15 @@
  * Released under the GPLv2 only.
  */
 
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/sched.h>
-#include <linux/pm.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
 #include <linux/clk.h>
-#include <linux/of_platform.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/module.h>
 #include <linux/of_gpio.h>
-#include <linux/of_irq.h>
-#include <linux/spinlock.h>
-#include <linux/regulator/consumer.h>
+#include <linux/of_platform.h>
 #include <linux/pinctrl/consumer.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
 #include "arche_platform.h"
 
 struct arche_platform_drvdata {