LPC5528 support / Viper 8k support

[perigoso]

I'm going to be getting a Razer viper 8k from a generous donation from Dekanova, and so we can work on support for it, it uses the LPC5528 MCU

[FFY00]

Feel free to open a PR adding it to the README.

[perigoso]

only reason i didn't at the time was because i was on mobile