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

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

- I have added the V3,
- And I ran more FP benchmarks: 554.ROMs and 507.cactusBSSN, for which performance are unaffected.
- I did try cam_r, but that runs in a segfault. I briefly looked into it, and looks genuine. But not related to this patch of course.

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