This hardware uses a output enable buffer that was not correctly defined.
Fixes issues when using the new ftdi driver.
Change-Id: Iba6235a71a6d3c7d16ab729f858b336a4574dfea
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/844
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Tested-by: jenkins