[turbofan] Generalize AllocateStub to allow old space allocation.

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 8be58e9718b8e2fd1033c96a1129ff7f850b53c9..18d6f0f67dc02a1b34d28acc8d2c0d1809ad0162 100644
--- a/src/mips64/interface-descriptors-mips64.cc
+++ b/src/mips64/interface-descriptors-mips64.cc
@@ -247,7 +247,7 @@ void AllocateHeapNumberDescriptor::InitializePlatformSpecific(
 SIMD128_TYPES(SIMD128_ALLOC_DESC)
 #undef SIMD128_ALLOC_DESC
 
-void AllocateInNewSpaceDescriptor::InitializePlatformSpecific(
+void AllocateDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {a0};
   data->InitializePlatformSpecific(arraysize(registers), registers);