ARM64: Clean up support for explicit literal load.

src/arm64/instructions-arm64.h

Index: src/arm64/instructions-arm64.h
diff --git a/src/arm64/instructions-arm64.h b/src/arm64/instructions-arm64.h
index a293083a094e94b97e208ac4ae7be87354db0115..b3d9b794acb27cf03e5f3e4837d41377a6f132ff 100644
--- a/src/arm64/instructions-arm64.h
+++ b/src/arm64/instructions-arm64.h
@@ -353,7 +353,7 @@ class Instruction {
   void SetImmLLiteral(Instruction* source);
 
   uint8_t* LiteralAddress() {
-    int offset = ImmLLiteral() << kLiteralEntrySizeLog2;
+    int offset = ImmLLiteral() << kLoadLiteralScaleLog2;
     return reinterpret_cast<uint8_t*>(this) + offset;
   }