sysbus: rename sysbus_init_mmio_region() to sysbus_init_mmio()

Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/hw/versatile_pci.c b/hw/versatile_pci.c
index 8a88696..a285f7f 100644
--- a/hw/versatile_pci.c
+++ b/hw/versatile_pci.c
@@ -81,13 +81,13 @@
      */
     memory_region_init_io(&s->mem_config, &pci_vpb_config_ops, bus,
                           "pci-vpb-selfconfig", 0x1000000);
-    sysbus_init_mmio_region(dev, &s->mem_config);
+    sysbus_init_mmio(dev, &s->mem_config);
     memory_region_init_io(&s->mem_config2, &pci_vpb_config_ops, bus,
                           "pci-vpb-config", 0x1000000);
-    sysbus_init_mmio_region(dev, &s->mem_config2);
+    sysbus_init_mmio(dev, &s->mem_config2);
     if (s->realview) {
         isa_mmio_setup(&s->isa, 0x0100000);
-        sysbus_init_mmio_region(dev, &s->isa);
+        sysbus_init_mmio(dev, &s->isa);
     }
 
     pci_create_simple(bus, -1, "versatile_pci_host");