[llvm] [DirectX][DXIL] Align type spec of TableGen DXIL Op and LLVM Intrinsic (PR #86311)

[Cooper Partin via llvm-commits]

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@@ -39,6 +39,21 @@ enum class ParameterKind : uint8_t {
   DXIL_HANDLE,
 };
 
+enum OverloadKind : uint16_t {
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coopp wrote:

I thought I saw a PR from Justin that used a different naming form here.  His PR was moving away from all CAPS in the Kind enums. https://github.com/llvm/llvm-project/pull/86237  Should we match that here as well?

https://github.com/llvm/llvm-project/pull/86311