[lld] [ELF] Fix TLSDESC=>IE when there is no TLS section (PR #98569)

[Paul Kirth via llvm-commits]

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

LGTM, modulo what I think is a typo, and one comment that I wanted to be sure I understood correctly.

https://github.com/llvm/llvm-project/pull/98569