Adopt Properties to store operations inherent Attributes in the Async dialect

[mehdi_amini]

Summary

This is part of an on-going migration to adopt Properties inside MLIR.

[mehdi_amini]

Rebase

[mehdi_amini]

Rebase

[mehdi_amini]

Rebase after improving diagnostic on invalid IR

[mehdi_amini]

Rebase

mlir/include/mlir/Dialect/Async/IR/AsyncDialect.td

def AsyncDialect : Dialect {
   let cppNamespace = "::mlir::async";
 
   let summary = "Types and operations for async dialect";
   let description = [{
     This dialect contains operations for modeling asynchronous execution.
   }];
 
   let useDefaultTypePrinterParser = 1;
+  let usePropertiesForAttributes = 1;
 
   let extraClassDeclaration = [{
     /// The name of a unit attribute on funcs that are allowed to have a
     /// blocking async.runtime.await ops. In absence of this attribute the
     /// asyncification pass might convert a func to a coroutine.
     static constexpr StringRef kAllowedToBlockAttrName =
         "async.allowed_to_block";
   }];
 }
 
 #endif // ASYNC_DIALECT_TD