[llvm] [LLVM] Add support to define lit test suites with a smaller set of dependencies (PR #155929)

[Rahul Joshi via llvm-commits]

jurahul wrote:

Right, maybe this works:

Specialize LLVM lit test suites for TableGen and FileCheck with a smaller set of dependencies?

https://github.com/llvm/llvm-project/pull/155929