range: fix bogus misuse of module.h to get printk()

This file isn't doing anything with modules and so it should
not be including <linux/module.h> just to get basic stuff
like printk() and min/max.  Revector it to <linux/kernel.h>.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

kernel/range.c

 /*
  * Range add and subtract
  */
-#include <linux/module.h>
+#include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sort.h>