[llvm] Add llvm-driver to the list of toolchain tools (PR #123083)

[Chandler Carruth via llvm-commits]

chandlerc wrote:

> Hi @chandlerc, could you take a look at this? You are listed as the maintainer for cmake.

I've not been active forever, and they just updated to fresh maintainers I believe.

https://github.com/llvm/llvm-project/pull/123083