cpu: Resume CPU from DeviceClass::realize() if hot-plugged

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/qom/cpu.c b/qom/cpu.c
index 66f7c00..b91213e 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -62,6 +62,7 @@
 
     if (dev->hotplugged) {
         cpu_synchronize_post_init(cpu);
+        cpu_resume(cpu);
     }
 }