[llvm] [runtimes] Add missing test dependencies to check-all (PR #72955)

[via llvm-commits]

zmodem wrote:

> I think there are some steps missing in the reproducer script.

Sorry, I suppose the missing first line would be: "run the commands from a build directory under llvm-project/, e.g. llvm-project/build/" (or adjust the `../llvm` source path in the cmake invocation)

https://github.com/llvm/llvm-project/pull/72955