[llvm] [Offload] Add `MAX_WORK_GROUP_SIZE` device info query (PR #143718)

[Ross Brunton via llvm-commits]

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@@ -148,6 +148,16 @@ def : Struct {
   ];
 }
 
+def : Struct {
+  let name = "ol_dimensions_t";
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RossBrunton wrote:

https://github.com/llvm/llvm-project/pull/143901/files We don't, I've split that into a separate MR.

https://github.com/llvm/llvm-project/pull/143718