[clang] [OpenCL] Add clang internal extension __cl_clang_non_kernel_scope_local_memory (PR #176726)

[Matt Arsenault via cfe-commits]

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@@ -2840,27 +2840,27 @@ between the host and device is known to be compatible.
   );
   #pragma OPENCL EXTENSION __cl_clang_non_portable_kernel_param_types : disable
 
-``__cl_clang_non_kernel_scope_local_memory``
+``__cl_clang_local_memory_all_scopes``
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arsenm wrote:

"all scopes" makes this sound like it's about a memory / atomic scope 

https://github.com/llvm/llvm-project/pull/176726