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/escc.c b/hw/escc.c
index c81088b..18c0292 100644
--- a/hw/escc.c
+++ b/hw/escc.c
@@ -700,7 +700,7 @@
     qdev_prop_set_uint32(dev, "chnBtype", ser);
     qdev_prop_set_uint32(dev, "chnAtype", ser);
     qdev_init_nofail(dev);
-    s = sysbus_from_qdev(dev);
+    s = SYS_BUS_DEVICE(dev);
     sysbus_connect_irq(s, 0, irqB);
     sysbus_connect_irq(s, 1, irqA);
     if (base) {
@@ -861,7 +861,7 @@
     qdev_prop_set_uint32(dev, "chnBtype", mouse);
     qdev_prop_set_uint32(dev, "chnAtype", kbd);
     qdev_init_nofail(dev);
-    s = sysbus_from_qdev(dev);
+    s = SYS_BUS_DEVICE(dev);
     sysbus_connect_irq(s, 0, irq);
     sysbus_connect_irq(s, 1, irq);
     sysbus_mmio_map(s, 0, base);