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/smc91c111.c b/hw/smc91c111.c
index a34698f..36cb4ed 100644
--- a/hw/smc91c111.c
+++ b/hw/smc91c111.c
@@ -254,7 +254,7 @@
 
 static void smc91c111_reset(DeviceState *dev)
 {
-    smc91c111_state *s = FROM_SYSBUS(smc91c111_state, sysbus_from_qdev(dev));
+    smc91c111_state *s = FROM_SYSBUS(smc91c111_state, SYS_BUS_DEVICE(dev));
     s->bank = 0;
     s->tx_fifo_len = 0;
     s->tx_fifo_done_len = 0;
@@ -797,7 +797,7 @@
     dev = qdev_create(NULL, "smc91c111");
     qdev_set_nic_properties(dev, nd);
     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);
 }