rtc: isl12022: sort header inclusion alphabetically

Sort header inclusion alphabetically for better maintenance.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Link: https://lore.kernel.org/r/20230110140806.87432-6-andriy.shevchenko@linux.intel.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-isl12022.c

@@ -8,14 +8,14 @@
  * by Alessandro Zummo <a.zummo@towertech.it>.
  */
 
-#include <linux/i2c.h>
 #include <linux/bcd.h>
-#include <linux/rtc.h>
-#include <linux/slab.h>
-#include <linux/module.h>
 #include <linux/err.h>
-#include <linux/regmap.h>
 #include <linux/hwmon.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/rtc.h>
+#include <linux/slab.h>
 
 #include <asm/byteorder.h>