Traceback (most recent call last):
  File "./make.py", line 363, in <module>
    main()
  File "./make.py", line 311, in main
    soc = SoCLinux(board.soc_cls, **soc_kwargs)
  File "/home/claude/litex/linux-on-litex-vexriscv/soc_linux.py", line 218, in SoCLinux
    return _SoCLinux(**kwargs)
  File "/home/claude/litex/linux-on-litex-vexriscv/soc_linux.py", line 99, in __init__
    **kwargs)
  File "/home/claude/.local/lib/python3.5/site-packages/litex_boards-0.0.0-py3.5.egg/litex_boards/official/targets/pcmcia.py", line 100, in __init__
    self.submodules.crg = _CRG(platform, sys_clk_freq)
  File "/home/claude/.local/lib/python3.5/site-packages/litex_boards-0.0.0-py3.5.egg/litex_boards/official/targets/pcmcia.py", line 40, in __init__
    self.platform.add_source("/home/claude/gateware/i2c_top.v")
  File "/home/claude/litex/migen/migen/fhdl/module.py", line 136, in __getattr__
    raise AttributeError("'"+self.__class__.__name__+"' object has no attribute '"+name+"'")