Create combined reset (hw+sw)
Added data select output for axi_slave mux
Signal cleanup (gpio_data)
Adding readback indicator for AXI slave mux
Adding readback indicator for slave axi mux
Basic interfaces..still need to add the axi signals and fill in the content
Fixing interface as 20 bits, fits with Epiphany architecture.
Very unlikely to EVER change, so hard coding.
Adding place holders for hard macros
A "complete" elink top level block with all new features added. Still need
to work on the axi side.
More file organization
Adding some more utility functions