[llvm] [CodeGen][AArch64] Set min jump table entries to 13 for AArch64 targets (PR #71166)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

I think it's actually noise, don't think I see improvements on the V2. 
Perhaps that's still okay because it is shows improvements on the V1. But now I am actually wondering if the V1 improvement is an actual improvement, or do we get lucky with secondary effects such as different function/loop/block alignments?

https://github.com/llvm/llvm-project/pull/71166