[llvm] [DXContainer] Update DXContainer descriptor range flag values to match D3D12 spec (PR #143201)

[Alex Sepkowski via llvm-commits]

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@@ -90,11 +90,11 @@ ROOT_DESCRIPTOR_FLAG(3, DATA_STATIC)
 #ifdef DESCRIPTOR_RANGE_FLAG
 
 DESCRIPTOR_RANGE_FLAG(0, NONE)
-DESCRIPTOR_RANGE_FLAG(1, DESCRIPTORS_VOLATILE)
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alsepkow wrote:

Do the ROOT_DESCRIPTOR_FLAG(*) macros above also need that same update?

https://github.com/llvm/llvm-project/pull/143201