[lld] [ELF,SPARC] Handle TLS GD and LD relocations (PR #228197)

[Imre Kaloz via llvm-commits]

kaloz wrote:

Closing per [llvm/llvm-project#228200](https://github.com/llvm/llvm-project/pull/228200#issuecomment-5983735947). If V9 TLS GD/LD support is picked up later, the tests here may be useful as a starting point.

https://github.com/llvm/llvm-project/pull/228197