ppc: QOMify g3beige machine

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

hw/ppc/mac_oldworld.c

@@ -371,8 +371,10 @@ static int heathrow_kvm_type(const char *arg)
     return 2;
 }
 
-static void heathrow_machine_init(MachineClass *mc)
+static void heathrow_class_init(ObjectClass *oc, void *data)
 {
+    MachineClass *mc = MACHINE_CLASS(oc);
+
     mc->desc = "Heathrow based PowerMAC";
     mc->init = ppc_heathrow_init;
     mc->block_default_type = IF_IDE;
@@ -385,4 +387,15 @@ static void heathrow_machine_init(MachineClass *mc)
     mc->kvm_type = heathrow_kvm_type;
 }
 
-DEFINE_MACHINE("g3beige", heathrow_machine_init)
+static const TypeInfo ppc_heathrow_machine_info = {
+    .name          = MACHINE_TYPE_NAME("g3beige"),
+    .parent        = TYPE_MACHINE,
+    .class_init    = heathrow_class_init
+};
+
+static void ppc_heathrow_register_types(void)
+{
+    type_register_static(&ppc_heathrow_machine_info);
+}
+
+type_init(ppc_heathrow_register_types);