hw/m*: pass owner to memory_region_init* functions

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/misc/a9scu.c b/hw/misc/a9scu.c
index c8f26f9..601b573 100644
--- a/hw/misc/a9scu.c
+++ b/hw/misc/a9scu.c
@@ -119,7 +119,8 @@
     A9SCUState *s = A9_SCU(dev);
     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
 
-    memory_region_init_io(&s->iomem, NULL, &a9_scu_ops, s, "a9-scu", 0x100);
+    memory_region_init_io(&s->iomem, OBJECT(dev), &a9_scu_ops, s,
+                          "a9-scu", 0x100);
     sysbus_init_mmio(sbd, &s->iomem);
 }