event: added a hackish ability to set an event as "locked" to its current state, cleaned up some comments

src/core/hle/kernel/event.h

@@ -19,6 +19,14 @@ namespace Kernel {
  */
 Result SetEventLocked(const Handle handle, const bool locked);
 
+/**
+ * Hackish function to set an events permanent lock state, used to pass through synch blocks
+ * @param handle Handle to event to change
+ * @param permanent_locked Boolean permanent locked value to set event
+ * @return Result of operation, 0 on success, otherwise error code
+ */
+Result SetPermanentLock(Handle handle, const bool permanent_locked);
+
 /**
  * Clears an event
  * @param handle Handle to event to clear