Extend the PCX file to include Pmods etc..
Currently we only have LED and DIL definitions, we need to add in a Pmod enumeration scheme to make those more easily accessed from within Verilog, starting in the PCX file.
Currently we only have LED and DIL definitions, we need to add in a Pmod enumeration scheme to make those more easily accessed from within Verilog, starting in the PCX file.