sysbus: Drop sysbus_from_qdev() cast macro

Replace by SYS_BUS_DEVICE() QOM cast macro using a scripted conversion.
Avoids the old macro creeping into new code.

Resolve a Coding Style warning in openpic code.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Cc: Anthony Liguori <anthony@codemonkey.ws>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/hw/exynos4_boards.c b/hw/exynos4_boards.c
index 968bcc3..b59e6aa 100644
--- a/hw/exynos4_boards.c
+++ b/hw/exynos4_boards.c
@@ -87,7 +87,7 @@
         qdev_set_nic_properties(dev, &nd_table[0]);
         qdev_prop_set_uint32(dev, "mode_16bit", 1);
         qdev_init_nofail(dev);
-        s = sysbus_from_qdev(dev);
+        s = SYS_BUS_DEVICE(dev);
         sysbus_mmio_map(s, 0, base);
         sysbus_connect_irq(s, 0, irq);
     }