This is the new proprietary interface replacing the older FTDI based adapters.
It is currently fitted to the ek-lm4f232 and Stellaris LaunchPad.
Change-Id: I794ad79e31ff61ec8e9f49530aca9308025c0b60
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/922
Tested-by: jenkins