Add default cmdline opts as test_cgra_universal method changed

[yuqisun]

Refer to: Commit a7a478a in CGRATemplateRTL_test.py

to fix issue below when 'Generate Sverilog' from GUI:

Exception in Tkinter callback
Traceback (most recent call last):
  File "/home/syq/anaconda3/envs/py39/lib/python3.9/tkinter/__init__.py", line 1892, in __call__
	return self.func(*args)
  File "/home/syq/anaconda3/envs/py39/lib/python3.9/site-packages/customtkinter/windows/widgets/ctk_button.py", line 554, in _clicked
	self._command()
  File "/home/syq/cgra/CGRA-Flow/build/../mode_dark_light.py", line 967, in clickGenerateVerilog
	test_cgra_universal(paramCGRA = paramCGRA)
TypeError: test_cgra_universal() missing 1 required positional argument: 'cmdline_opts'