tree caa872ced7f1c33ca9bfc11a5052295d82c67867
parent b2776bf7149bddd1f4161f14f79520f17fc1d71d
author Andy Lutomirski <luto@amacapital.net> 1418154857 -0800
committer Andy Lutomirski <luto@amacapital.net> 1418154857 -0800

hid: Add and detect a FIDO U2F HID group

This implements detection according to:

http://www.usb.org/developers/hidpage/HUTRR48.pdf

I haven't figured out the distinction between the parse and scan
stages, so I'm not sure I put the logic in the right place.

Signed-off-by: Andy Lutomirski <luto@amacapital.net>