[clang] [AArch64] Refactor implementation of FP8 types (NFC) (PR #118969)

[Momchil Velikov via cfe-commits]

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@@ -57,6 +57,11 @@
 //  - IsBF true for vector of brain float elements.
 //===----------------------------------------------------------------------===//
 
+#ifndef SVE_SCALAR_TYPE
+#define SVE_SCALAR_TYPE(Name, MangledName, Id, SingletonId, Bits) \
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momchil-velikov wrote:

No reason. Can be AARCH64.

https://github.com/llvm/llvm-project/pull/118969