ZhaokunHu

Do not merge until SpinalHDL/SpinalHDL#1079 has not been merged. Due to SpinalHDL/SpinalHDL#1079 submission, a new application API method has been generated. ```scala import spinal.lib.tools.HDElkDiagramGen HDElkDiagramGen(SpinalVerilog(new _)) ``` This function will...