[llvm] [MC][ELF] Fix printing group signature symbols. (PR #112543)

[Ivan Kosarev via llvm-commits]

kosarev wrote:

> Perhaps we should disallow SHF_GROUP without a signature in switchSection. This isn't valid in ELF.

Should the ELF loading code do the check then?

https://github.com/llvm/llvm-project/pull/112543