[llvm] [mlir] [mlir][python] Fix generation of Python bindings for `async` dialect (PR #75960)

[Abhishek Kulkarni via llvm-commits]

================
@@ -331,6 +331,53 @@ filegroup(
     ],
 )
 
+##---------------------------------------------------------------------------##
+# Async dialect.
+##---------------------------------------------------------------------------##
+
+gentbl_filegroup(
+    name = "AsyncOpsPyGen",
+    tbl_outs = [
+        (
+            [
+                "-gen-python-enum-bindings",
+                "-bind-dialect=async",
+            ],
+            "mlir/dialects/_async_enum_gen.py",
----------------
adk9 wrote:

> I removed this in [d5093aa](https://github.com/llvm/llvm-project/commit/d5093aac543dfd24f339f7d43aa02282f7c16fa5). @adk9 please make sure to keep track of your PRs even after they land. In LLVM, reviews may happen after commit and authors are expected to address them.

Will definitely do. Thanks for the fix.

https://github.com/llvm/llvm-project/pull/75960