Got it workin by updating the latest beta firmware for both the receiver and controller!
http://forum.8bitdo.com/forum.php?mod=attachment&aid=NTMxfDJhNjg5OWMzfDE0ODgwMTYwODF8MHwxNDA0
First of thanks for @Cluster for his awesome job!
Have one problem. Any solution for problems of using 8bitdo retro receiver and nes30 controller with retroarch? Seems that it cant recognize the buttons correctly or are i doing it wrong?