open-source-silicon.dev

*<https://github.com/efabless/openlane/compare/4f922a152e02...d42998748928|2 new commits> pushed to <https://github.com/efabless/openlane/tree/develop-sub_pdk|`develop-sub_pdk`>*
<https://github.com/efabless/openlane/commit/a82380104eaca458b8dc245a8c140858b1868882|`a8238010`> - more doc updates
<https://github.com/efabless/openlane/commit/d42998748928dbb74452ffc10fa818587a436a28|`d4299874`> - recover the old travis build method
<https://github.com/efabless/openlane|efabless/openlane>