xilinx-xcu: add Xilinx Ultrascale tap data

xilinx-xcu: add Xilinx Ultrascale tap data

The Ultrascale series is a bit more complicated to handle since with the
stacked and interconnected dies the IR gets longer. This adds support
for all currently known chips from the Ultrascale family.

Change-Id: Ibac325dd6fadc76f73cc682b1c62c1a5f39f0786
Signed-off-by: Robert Jordens <jordens@gmail.com>
Reviewed-on: http://openocd.zylin.com/4188
Tested-by: jenkins
Reviewed-by: Matthias Welwarsky <matthias@welwarsky.de>