Flashhack P66

Flashhack keeps getting better, thanks to everyone that’s helped me test it.

P66 V6 development has been very slow, since I don’t actually have an ECM to test with, but thanks to some back and forth it seems to be working well.  It shares a lot of code with the LT1 flash tool so I’d expect it to be quite reliable.

I have not removed the ‘for bench test only’ warning for the P66 but if you’re brave please ignore it and give it a try, let me know how it goes