Merge pull request IObundle#856 from P-Miranda/eth_simulation

Merge eth_simulation into main

fix pack and unpack, small python formatting issues

Merge branch 'main' of github.com:IObundle/iob-soc

Merge branch 'doc-update'

fix regression test

pre-release

This is V0.3

Merge branch 'devel' of github.com:IObundle/iob-soc into devel

icarus simulation fully working for SRAM/DDR and all boot modes