README

Convert Presto, OpenJTAG and USB-Blaster (I) adapter drivers to libftdi
only.

Change-Id: Ib28887620a3dcbb754b9dbf87b9731acca3ac600
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/3237


Tested-by: jenkins
Reviewed-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>