Import libftdi1-1.0 as wip/libftdi1.

libftdi version 1.0
A library (using libusb) to talk to FTDI's UART/FIFO chips
including the popular bitbang mode.
The following chips are supported:
  - FT4232H / FT2232H
  - FT232R  / FT245R
  - FT2232L / FT2232D / FT2232C
  - FT232BM / FT245BM (and the BL/BQ variants)
  - FT8U232AM / FT8U245AM
libftdi requires libusb 1.x.
Remove garbage, sorry.