[llvm] [TLI][AArch64] Add TLI Mappings of @llvm.exp10 for ArmPL and SLEEF. (PR #72990)

[Paschalis Mpeis via llvm-commits]

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paschalis-mpeis wrote:

Due to `exp[^e]`, the changes are OK with the pattern. I could either:
- keep it and remove `exp2`, or
- remove it and add `exp10` and anything else that might be required.

https://github.com/llvm/llvm-project/pull/72990