[turbofan] Generalize AllocateStub to allow old space allocation.

src/arm/interface-descriptors-arm.cc

Index: src/arm/interface-descriptors-arm.cc
diff --git a/src/arm/interface-descriptors-arm.cc b/src/arm/interface-descriptors-arm.cc
index 22fc6b0af58bdb275b4f5b4fe102e86194b782d1..52cf0ba604ff7fccd6bd9e1693d1dca1b0c9c658 100644
--- a/src/arm/interface-descriptors-arm.cc
+++ b/src/arm/interface-descriptors-arm.cc
@@ -248,7 +248,7 @@ void AllocateHeapNumberDescriptor::InitializePlatformSpecific(
 SIMD128_TYPES(SIMD128_ALLOC_DESC)
 #undef SIMD128_ALLOC_DESC
 
-void AllocateInNewSpaceDescriptor::InitializePlatformSpecific(
+void AllocateDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r0};
   data->InitializePlatformSpecific(arraysize(registers), registers);