[clang] [ClangLinkerWrapper] Use discrete steps in verbose mode (PR #204186)

[Joseph Huber via cfe-commits]

jhuber6 wrote:

Okay, with this, using something like this allowed me to copy-paste the result, so this should make it much easier for people to 'replay' output.
```
clang input.c -fopenmp --offload-arch=gfx1030 libx.a -Wl,--wrapper-verbose -Wl,--save-temps
```

https://github.com/llvm/llvm-project/pull/204186