hw/core/or-irq: Mark the device with cannot_instantiate_with_device_add_yet

The "or-irq" device needs to be wired up in source code, there is no
way the user can make any real use of this device with the "-device"
parameter or the "device_add" monitor command yet.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

hw/core/or-irq.c

@@ -89,6 +89,9 @@ static void or_irq_class_init(ObjectClass *klass, void *data)
     dc->props = or_irq_properties;
     dc->realize = or_irq_realize;
     dc->vmsd = &vmstate_or_irq;
+
+    /* Reason: Needs to be wired up to work, e.g. see stm32f205_soc.c */
+    dc->cannot_instantiate_with_device_add_yet = true;
 }
 
 static const TypeInfo or_irq_type_info = {