[llvm] Add DXILOpTableGenDesign.rst to toctree of DirectXUsage. (PR #93864)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-directx

Author: S. Bharadwaj Yadavalli (bharadwajy)

<details>
<summary>Changes</summary>

Fix doc build failure reported [here](https://github.com/llvm/llvm-project/pull/85170#issuecomment-2140319404).


---
Full diff: https://github.com/llvm/llvm-project/pull/93864.diff


1 Files Affected:

- (modified) llvm/docs/DirectXUsage.rst (+1) 


``````````diff
diff --git a/llvm/docs/DirectXUsage.rst b/llvm/docs/DirectXUsage.rst
index dd7796e1fdc96..3e0ce40be569b 100644
--- a/llvm/docs/DirectXUsage.rst
+++ b/llvm/docs/DirectXUsage.rst
@@ -15,6 +15,7 @@ User Guide for the DirectX Target
 
    DirectX/DXILArchitecture
    DirectX/DXContainer
+   DirectX/DXILOpTableGenDesign
 
 Introduction
 ============

``````````

</details>


https://github.com/llvm/llvm-project/pull/93864