ioapic: Replace FROM_SYSBUS() with QOM type cast

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

hw/intc/ioapic_common.c

@@ -59,7 +59,7 @@ static int ioapic_dispatch_post_load(void *opaque, int version_id)
 
 static int ioapic_init_common(SysBusDevice *dev)
 {
-    IOAPICCommonState *s = FROM_SYSBUS(IOAPICCommonState, dev);
+    IOAPICCommonState *s = IOAPIC_COMMON(dev);
     IOAPICCommonClass *info;
     static int ioapic_no;