Add a SystemVerilog interface for connecting AXI4 ports, and an associated header file with helper macros. Original-commit: 04d29e85b0c0698e3de96b54fd3f6e04eb439f74
Add a SystemVerilog interface for connecting AXI4 ports, and an associated header file with helper macros. Original-commit: 04d29e85b0c0698e3de96b54fd3f6e04eb439f74