cfg: ftdi icdi enable srst open drain config

Change-Id: I21a115121f167dc88cd9bf2d1ca1ac9f3e1110d7
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/886
Tested-by: jenkins

tcl/interface/ftdi/luminary.cfg

@@ -29,4 +29,4 @@ ftdi_device_desc "Stellaris Evaluation Board"
 ftdi_vid_pid 0x0403 0xbcd9
 
 ftdi_layout_init 0x00a8 0x00eb
-ftdi_layout_signal nSRST -data 0x0020
+ftdi_layout_signal nSRST -noe 0x0020