[llvm] [AArch64] Set MaxInterleaving to 4 for Neoverse V2 (PR #100385)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

I had some problems with flang-new and building some FP apps, but I did manage to build and run fotonik3d, which showed a 1.3% improvement. Of course, not sure it is exactly caused by this change or second order effects, but it is not a regression, which is the most important thing.

https://github.com/llvm/llvm-project/pull/100385