Support for bk7238

[arikon]

Is it possible to use bk7231tools with bk7238 SoC?

I tried with no luck on macOS:

% bk7231tools chip_info --device /dev/cu.wchusbserial110
Traceback (most recent call last):
  File "/Users/arikon/projects/firefly/beken_freertos_sdk-3.0.70/tools/matter_factory_data_generate/.python-venv/lib/python3.12/site-packages/bk7231tools/__main__.py", line 623, in cli
    connect_device(args.device, args.baudrate, args.timeout, args.debug)
  File "/Users/arikon/projects/firefly/beken_freertos_sdk-3.0.70/tools/matter_factory_data_generate/.python-venv/lib/python3.12/site-packages/bk7231tools/__main__.py", line 381, in connect_device
    s.connect()
  File "/Users/arikon/projects/firefly/beken_freertos_sdk-3.0.70/tools/matter_factory_data_generate/.python-venv/lib/python3.12/site-packages/bk7231tools/serial/__init__.py", line 42, in connect
    raise TimeoutError("Timed out attempting to link with chip")
TimeoutError: Timed out attempting to link with chip