[llvm] [docs] Add missing command line options to llvm-profgen.rst (PR #192890)

[Kartik Ohlan via llvm-commits]

Ko496-glitch wrote:

@zamazan4ik  for now i have added --pid, --output, --debug. if this looks good i can add other as well

https://github.com/llvm/llvm-project/pull/192890