[Interpreter] Remove register file register and replace with LoadParentFramePointer.

src/mips64/interface-descriptors-mips64.cc

Index: src/mips64/interface-descriptors-mips64.cc
diff --git a/src/mips64/interface-descriptors-mips64.cc b/src/mips64/interface-descriptors-mips64.cc
index 18d6f0f67dc02a1b34d28acc8d2c0d1809ad0162..c0d88dc410f494030f465cbf1741907a40bb2976 100644
--- a/src/mips64/interface-descriptors-mips64.cc
+++ b/src/mips64/interface-descriptors-mips64.cc
@@ -376,9 +376,8 @@ void ApiCallbackDescriptorBase::InitializePlatformSpecific(
 void InterpreterDispatchDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
-      kInterpreterAccumulatorRegister, kInterpreterRegisterFileRegister,
-      kInterpreterBytecodeOffsetRegister, kInterpreterBytecodeArrayRegister,
-      kInterpreterDispatchTableRegister};
+      kInterpreterAccumulatorRegister, kInterpreterBytecodeOffsetRegister,
+      kInterpreterBytecodeArrayRegister, kInterpreterDispatchTableRegister};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }