[llvm] [AArch64][SVE] Reduce MaxInterleaveFactor for A510 and A520 (PR #132246)

[David Green via llvm-commits]

davemgreen wrote:

The other alternative might be to prefer fixed width to scalable when the costs in the vectorizer are equal, if that is more beneficial on these cores. It is controlled via the FeatureUseFixedOverScalableIfEqualCost feature.

https://github.com/llvm/llvm-project/pull/132246