[llvm] [NFC] Update coroutine intrinsics documentation and few remaining tests to opaque pointers (PR #65698)

[Nuno Lopes via llvm-commits]

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@@ -3,25 +3,25 @@
 
 %"class.task::promise_type" = type { [64 x i8] }
 
-declare void @consume(i32*)
+declare void @consume(ptr)
 declare void @consume2(%"class.task::promise_type"*)
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nunoplopes wrote:

missed this one

https://github.com/llvm/llvm-project/pull/65698