ft2232_spi.c: Add support for kt-link jtag interface

Change tested writing, reading and erasing spi flashes
pinout:
  jtag - spi
 1 vcc - vcc, wp#, hold#
 4 gnd - gnd
 5 tdi - si
 7 tms - cs#
 9 tck - sck
13 tdo - so
Connect pins 9 and 12 in EXT connector for 3.3V power.

Signed-off-by: Jacek Naglak <jnaglak@tlen.pl>
Change-Id: Id58c675bc410ec3ef6d58603d13efc9ca53bb87c
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/64440
Original-Reviewed-by: Nico Huber <nico.h@gmx.de>
Original-Reviewed-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/71469
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
3 files changed