[clang] [llvm] [DirectX] Removing dxbc DescriptorRange from mcbxdc (PR #154629)

[via llvm-commits]

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@@ -31,6 +31,15 @@ struct RootDescriptor {
   uint32_t Flags;
 };
 
+struct DescriptorRange {
+  dxbc::DescriptorRangeType RangeType;
+  uint32_t NumDescriptors;
+  uint32_t BaseShaderRegister;
+  uint32_t RegisterSpace;
+  uint32_t Flags;
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joaosaffran wrote:

I decided to keep the flags as `uint32_t`, since the flags are not mutually exclusive. 

https://github.com/llvm/llvm-project/pull/154629