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

[Mehdi Amini via llvm-commits]

joker-eph wrote:

I'm confused by the title, shouldn't it be instead "Add support to define lit test suites with an include/exclude list of folders" or something like this? I don't see the "dependency" part here.

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