platform/x86: intel-rst: Sort headers alphabetically

Sort headers alphabetically for better maintenance.

No functional change.

While here, remove unneeded linux/init.h inclusion.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/platform/x86/intel-rst.c

@@ -17,10 +17,9 @@
  */
 
 
-#include <linux/init.h>
+#include <linux/acpi.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/acpi.h>
 
 MODULE_LICENSE("GPL");