[clang-format] Add option for having one port per line in Verilog

[clang-format] Add option for having one port per line in Verilog

We added the option `VerilogBreakBetweenInstancePorts` to put ports on
separate lines in module instantiations.  We made it default to true
because style guides mostly recommend it that way for example:

https://github.com/lowRISC/style-guides/blob/master/VerilogCodingStyle.md#module-instantiation

Reviewed By: HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D147327