[clang] [LinkerWrapper] Extend with usual pass options (PR #96704)

[Joel E. Denny via cfe-commits]

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+// Check that these simple command lines for listing LLVM options are supported,
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jdenny-ornl wrote:

Grepping for -help in llvm's test suite finds various such tests. The point here is to make sure `--offload-opt=--help can list these opt-like options as opposed to the normal clang-linker-wrapper options.  Seems like an important feature.

https://github.com/llvm/llvm-project/pull/96704