[csa][cleanup] TNodify interpreter-intrinsics.

Also moves CallStubN to be a private member of code-assembler.

BUG=v8:6949,v8:11074

Change-Id: I88a36819aead919cc4f4deff201925562fc9f74f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2527061Reviewed-by: Santiago Aboy Solanes <solanes@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Auto-Submit: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71086}

src/compiler/code-assembler.h

@@ -1044,10 +1044,6 @@ class V8_EXPORT_PRIVATE CodeAssembler {
                                       target, context, args...));
   }
 
-  Node* CallStubN(StubCallMode call_mode,
-                  const CallInterfaceDescriptor& descriptor, int input_count,
-                  Node* const* inputs);
-
   template <class T = Object, class... TArgs>
   TNode<T> CallBuiltinPointer(const CallInterfaceDescriptor& descriptor,
                               TNode<BuiltinPtr> target, TNode<Object> context,
@@ -1232,6 +1228,10 @@ class V8_EXPORT_PRIVATE CodeAssembler {
                        TNode<Object> function, TNode<Object> new_target,
                        TNode<Int32T> arity, std::initializer_list<Node*> args);
 
+  Node* CallStubN(StubCallMode call_mode,
+                  const CallInterfaceDescriptor& descriptor, int input_count,
+                  Node* const* inputs);
+
   // These two don't have definitions and are here only for catching use cases
   // where the cast is not necessary.
   TNode<Int32T> Signed(TNode<Int32T> x);