[llvm] [llvm] Adopt WithMarkup in the MIPS backend (PR #65384)

[Sergei Barannikov via llvm-commits]

https://github.com/s-barannikov approved this pull request.

Looks fine to me as long as the memory operands are printed the way lldb wants, though I have no relation to the MIPS backend.

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Here is the [proposal for annotated assembly output](https://discourse.llvm.org/t/proposal-annotated-assembly-output/24789) and the [initial implementation](https://github.com/llvm/llvm-project/commit/62183c4e18a964c2715cedb3f6fdc6bb3c4776bd).


https://github.com/llvm/llvm-project/pull/65384