[clang] [llvm] [AArch64][SME] Save VG for unwind info when changing streaming-mode (PR #83301)

[Sander de Smalen via llvm-commits]

https://github.com/sdesmalen-arm approved this pull request.

Some very minor nits, but overall LGTM.

https://github.com/llvm/llvm-project/pull/83301