[clang] [Clang][CIR][AArch64] NFC: Cleanups in AArch64 builtins lowering (PR #184404)

[Andy Kaylor via cfe-commits]

================
@@ -40,18 +40,25 @@ static mlir::Value genVscaleTimesFactor(mlir::Location loc,
                                builder.getUInt64(scalingFactor, loc));
 }
 
+//===----------------------------------------------------------------------===//
+//  Intrinsics maps
+//
+//  Maps that help automate code-generation.
+//
+// TODO(cir): Share this code with ARM.cpp
+//===----------------------------------------------------------------------===//
 static bool aarch64SVEIntrinsicsProvenSorted = false;
 
 namespace {
-struct AArch64BuiltinInfo {
+struct armVectorIntrinsicInfo {
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andykaylor wrote:

```suggestion
struct ARMVectorIntrinsicInfo {
```
As a type name, this should start with a capital letter.

https://github.com/llvm/llvm-project/pull/184404