[llvm] [SPIR-V] Add missing ScalarOpts library (PR #114384)

[Vyacheslav Levytskyy via llvm-commits]

https://github.com/VyacheslavLevytskyy approved this pull request.

Thank you! I was digging in the same problem right now.

https://github.com/llvm/llvm-project/pull/114384