runner: DPI options are now available through an env var so that the rtl platfom can decide to activate or not

Some cleanup in vega archi files, added support for chip shutdown in the bridge, added ref clock to vp

Merged 'hero-dev' into 'integration'

scripts/*/setup.sh: disable build of unneeded modules from internal GitLab

Fixed bug on gap, elw must really be used for clock-gating instead of lw, otherwise the core is just sleeping but not clock-gated