[llvm] [ARM, ELF] Fix access to dso_preemptable __stack_chk_guard with static relocation model (PR #70014)

[Fangrui Song via llvm-commits]

MaskRay wrote:

> > This patch fixes #6499 while not changing behavior for the following configurations:
> 
> Is that the right link?

Thanks for catching my typo. Fixed to #64999

https://github.com/llvm/llvm-project/pull/70014