[llvm] [aarch64] Mix the frame pointer with the stack cookie when protecting the stack (PR #197346)

[Leandro Lupori via llvm-commits]

luporl wrote:

@PanTao2 Regarding the WoA buildbots, everything seems to be fine now, since 84ef93420bf1617dcc1e79baa23bf74bbdbf20f2 passes all the tests of [clang-arm64-windows-msvc](https://lab.llvm.org/buildbot/#/builders/161).

https://github.com/llvm/llvm-project/pull/197346