sysbus: rename sysbus_init_mmio_region() to sysbus_init_mmio()

Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/hw/lm32_sys.c b/hw/lm32_sys.c
index 0c8e971..83974ee 100644
--- a/hw/lm32_sys.c
+++ b/hw/lm32_sys.c
@@ -119,7 +119,7 @@
     LM32SysState *s = FROM_SYSBUS(typeof(*s), dev);
 
     memory_region_init_io(&s->iomem, &sys_ops , s, "sys", R_MAX * 4);
-    sysbus_init_mmio_region(dev, &s->iomem);
+    sysbus_init_mmio(dev, &s->iomem);
 
     /* Note: This device is not created in the board initialization,
      * instead it has to be added with the -device parameter. Therefore,