[clang] Update OpenMPSupport.rst (PR #122174)

[Joseph Huber via cfe-commits]

================
@@ -343,6 +343,124 @@ implementation.
 | task                         | nowait clause on taskwait                                    | :part:`partial`          | parsing/sema done: D131830, D141531                                   |
 +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+
 
+
+.. _OpenMP 6.0 implementation details:
+
+OpenMP 6.0 Implementation Details
+=================================
+
+The following table provides a quick overview over various OpenMP 5.0 features
----------------
jhuber6 wrote:

```suggestion
The following table provides a quick overview over various OpenMP 6.0 features
```

https://github.com/llvm/llvm-project/pull/122174