i2c: Remove i2c clients in reverse order

i2c clients should be removed in reverse order compared to the probe
(actually: bind) order. This matters when several clients depend on
each other.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>

drivers/i2c/i2c-core.c

@@ -631,7 +631,7 @@ int i2c_del_adapter(struct i2c_adapter *adap)
 
 	/* detach any active clients. This must be done first, because
 	 * it can fail; in which case we give up. */
-	list_for_each_entry_safe(client, _n, &adap->clients, list) {
+	list_for_each_entry_safe_reverse(client, _n, &adap->clients, list) {
 		struct i2c_driver	*driver;
 
 		driver = client->driver;