注：不需要使用在顶层使用create_connection去连接，这个命令有使用限制。
process_top_module_connections
Context: dft
Mode: setup, analysis
Validates and processes the content contained in a TopModuleConnections wrapper to automatically create the DFT ports on tiled modules and connect them at the chip level.
mbist mbisr ijtag edt ssn occ ...