[hpsdr] JTAG explanation and sample code

[pvharman at arach.net.au]

There is a very readable explanation of how JTAG works, together with examples 
and sample code, on the www.fpga4fun.com (Xylo supplier) site. 

For someone like me who is new to JTAG I found it very useful. 

73's Phil...VK6APH