优雅地在Chisel-BlackBox中添加二维数组端口
论坛地址：https://ysyx.oscc.cc/forum/topic/229/%E4%BC%98%E9%9B%85%E5%9C%B0%E5%9C%A8chisel-blackbox%E4%B8%AD%E6%B7%BB%E5%8A%A0%E4%BA%8C%E7%BB%B4%E6%95%B0%E7%BB%84%E7%AB%AF%E5%8F%A3-%E5%B7%B2%E8%A7%A3%E5%86%B3
论坛地址：https://ysyx.oscc.cc/forum/topic/229/%E4%BC%98%E9%9B%85%E5%9C%B0%E5%9C%A8chisel-blackbox%E4%B8%AD%E6%B7%BB%E5%8A%A0%E4%BA%8C%E7%BB%B4%E6%95%B0%E7%BB%84%E7%AB%AF%E5%8F%A3-%E5%B7%B2%E8%A7%A3%E5%86%B3
