[llvm] [SPIR-V] Add SPIRV to LLVM_ALL_TARGETS (PR #119653)

[Michal Paszkowski via llvm-commits]

michalpaszkowski wrote:

Reverting the change temporarily (https://github.com/llvm/llvm-project/pull/123532) to fix the build failures reported above. I will create separate PRs to address each issue and recommit this change again.

https://github.com/llvm/llvm-project/pull/119653