sysbus: rename sysbus_init_mmio_region() to sysbus_init_mmio()

Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/hw/lm32_uart.c b/hw/lm32_uart.c
index 46a5ae0..d013abd 100644
--- a/hw/lm32_uart.c
+++ b/hw/lm32_uart.c
@@ -250,7 +250,7 @@
     sysbus_init_irq(dev, &s->irq);
 
     memory_region_init_io(&s->iomem, &uart_ops, s, "uart", R_MAX * 4);
-    sysbus_init_mmio_region(dev, &s->iomem);
+    sysbus_init_mmio(dev, &s->iomem);
 
     s->chr = qdev_init_chardev(&dev->qdev);
     if (s->chr) {