hwmon: (amc6821) Reorder include files, drop unnecessary ones

Reorder include files to alphabetic order to simplify maintenance,
and drop the unnecessary kernel.h include.

No functional change intended.
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

drivers/hwmon/amc6821.c

@@ -8,16 +8,15 @@
  * Copyright (C) 2007 Hans J. Koch <hjk@hansjkoch.de>
  */
 
-#include <linux/kernel.h>	/* Needed for KERN_INFO */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/jiffies.h>
-#include <linux/i2c.h>
+#include <linux/err.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
-#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/jiffies.h>
+#include <linux/module.h>
 #include <linux/mutex.h>
+#include <linux/slab.h>
 
 /*
  * Addresses to scan.