[llvm] [llvm-c] Add EmulatedTLS and EnableTLSDESC to LLVMTargetMachineOptions (PR #161155)

[Nikita Popov via llvm-commits]

nikic wrote:

Can you please add a release note entry under https://github.com/llvm/llvm-project/blob/main/llvm/docs/ReleaseNotes.md#changes-to-the-c-api?

https://github.com/llvm/llvm-project/pull/161155