[llvm] [CI] include utils in monolithic scripts (PR #158090)

[Aiden Grossman via llvm-commits]

boomanaiden154 wrote:

> So it fails to configure successfully when run against a distro that doesn't have those targets (ie what can currently be installed by the monolithic scripts).

So the test will fail if `LLVM_INSTALL_UTILS` isn't set to true?

https://github.com/llvm/llvm-project/pull/158090