greybus: audio: Fix incorrect counting of 'ida'

Function gb_audio_manager_remove_all() to remove all audio modules,
doesn't control correctly 'ida' counting.

Signed-off-by: Dinko Mironov <dmironov@mm-sol.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/audio_manager.c

@@ -91,6 +91,7 @@ void gb_audio_manager_remove_all(void)
 	list_for_each_entry_safe(module, next, &modules_list, list) {
 		list_del(&module->list);
 		kobject_put(&module->kobj);
+		ida_simple_remove(&module_id, module->id);
 	}
 
 	is_empty = list_empty(&modules_list);