Move to internal CERN repository

[Risto97]

The following files we agreed to move to CERN private repository:

• firmware/linker_script
• add_test.cmake (Add a simpler one as an example, maybe from picorv32_socmake
• peakrdl_docusaurus.cmake (move it for now until its open source)
• peakrdl_ipblocksvg.cmake
• peakrdl_regblock_wrap.cmake
• hwif_sed.sh
• tmake/
• sv2v.cmake (we will use the one on develop, the master one will be removed)
• sed_wor.cmake
• uniqify_files_by_basename.cmake
• verilate_xml.cmake, scripts/
• verisc/