clone method

Implementation

@override
Axi4Cluster clone() => Axi4Cluster(
      idWidth: read.arIntf.idWidth,
      addrWidth: read.arIntf.addrWidth,
      lenWidth: read.arIntf.lenWidth,
      userWidth: read.arIntf.userWidth,
      useLast: read.rIntf.useLast,
      useLock: read.arIntf.useLock,
      dataWidth: read.rIntf.dataWidth,
    );