[turbofan] Add an InterpreterDispatch linkage type.

src/compiler/arm64/linkage-arm64.cc

Index: src/compiler/arm64/linkage-arm64.cc
diff --git a/src/compiler/arm64/linkage-arm64.cc b/src/compiler/arm64/linkage-arm64.cc
index afedefbbd161055b32ba94269bd5b2acf071f785..141d62ab604d466bf579a2e784b36832d4050a2d 100644
--- a/src/compiler/arm64/linkage-arm64.cc
+++ b/src/compiler/arm64/linkage-arm64.cc
@@ -71,6 +71,12 @@ CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
   return LH::GetSimplifiedCDescriptor(zone, sig);
 }
 
+
+CallDescriptor* Linkage::GetInterpreterDispatchDescriptor(
+    Zone* zone, const MachineSignature* sig) {
+  return LH::GetInterpreterDispatchDescriptor(zone, sig);
+}
+
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8