I'm on 1.5.0, but this should work too. Just replace your settings.bin with this one. It will overwrite your emulator settings, so be sure to configure it again (mainly the language and region).
https://drive.google.com/file/d/0Bxd24PdRPVF9Y29ZckhLR0l0OFE/view?usp=sharing
Controller Maps from version 1.5.0 are not compatible with 1.5.1