regmap: rename regmap_lock_unlock_empty() to regmap_lock_unlock_none()

Minor naming convention tweak.

Suggested-by: Andy Shevchenko <[e-mail]>
Signed-off-by: Bartosz Golaszewski <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/base/regmap/regmap.c

···
 }
 #endif
 
-static void regmap_lock_unlock_empty(void *__map)
+static void regmap_lock_unlock_none(void *__map)
 {
 
 }
···
 	}
 
 	if (config->disable_locking) {
-		map->lock = map->unlock = regmap_lock_unlock_empty;
+		map->lock = map->unlock = regmap_lock_unlock_none;
 	} else if (config->lock && config->unlock) {
 		map->lock = config->lock;
 		map->unlock = config->unlock;