hw/i*: pass owner to memory_region_init* functions

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/hw/intc/xilinx_intc.c b/hw/intc/xilinx_intc.c
index 9ba35f6..25d2057 100644
--- a/hw/intc/xilinx_intc.c
+++ b/hw/intc/xilinx_intc.c
@@ -160,7 +160,8 @@
     qdev_init_gpio_in(&dev->qdev, irq_handler, 32);
     sysbus_init_irq(dev, &p->parent_irq);
 
-    memory_region_init_io(&p->mmio, NULL, &pic_ops, p, "xlnx.xps-intc", R_MAX * 4);
+    memory_region_init_io(&p->mmio, OBJECT(p), &pic_ops, p, "xlnx.xps-intc",
+                          R_MAX * 4);
     sysbus_init_mmio(dev, &p->mmio);
     return 0;
 }