verilog-auto-star-expand

verilog-auto-star-expand is a variable defined in `verilog-mode.el'.
Its value is

t

• This variable is safe as a file local variable if its value
  satisfies the predicate `verilog-booleanp'.

Documentation:
Non-nil means to expand SystemVerilog .* instance ports.
They will be expanded in the same way as if there was an AUTOINST in the
instantiation. See also `verilog-auto-star' and `verilog-auto-star-save'.

You can customize this variable.