[llvm] [AArch64] Update zero latency instructions in Neoverse scheduling tables (PR #165690)

[Simon Wallis via llvm-commits]

simonwallis2 wrote:

> Do you have any performance data that suggests this is preferable for performance or at least neutral?

On Neoverse-V2 the benchmarks that I ran reported zero change in performance.

https://github.com/llvm/llvm-project/pull/165690