software node: Imply kobj_to_swnode() to be no-op

Since we don't use structure field layout randomization
the manual shuffling can affect some macros, in particular
kobj_to_swnode(), which becomes a no-op when kobj member
is the first one in the struct swnode.

Bloat-o-meter statistics for swnode.o:

  add/remove: 0/0 grow/shrink: 2/10 up/down: 9/-100 (-91)
  Total: Before=7217, After=7126, chg -1.26%
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210329151207.36619-4-andriy.shevchenko@linux.intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/base/swnode.c

@@ -12,10 +12,10 @@
 #include <linux/slab.h>
 
 struct swnode {
-	int id;
 	struct kobject kobj;
 	struct fwnode_handle fwnode;
 	const struct software_node *node;
+	int id;
 
 	/* hierarchy */
 	struct ida child_ids;