hw: edu: set category of the edu device

Sets the category of edu device as DEVICE_CATEGORY_MISC.
Devices should be assigned to one of DEVICE_CATEGORY_XXXX.
Signed-off-by: Nkumar sourav <sourav.jb1988@gmail.com>
Reviewed-by: NThomas Huth <thuth@redhat.com>
Message-Id: <20190124144606.4352-1-sourav.jb1988@gmail.com>
Signed-off-by: NLaurent Vivier <laurent@vivier.eu>

hw/misc/edu.c

@@ -399,6 +399,7 @@ static void edu_instance_init(Object *obj)
 
 static void edu_class_init(ObjectClass *class, void *data)
 {
+    DeviceClass *dc = DEVICE_CLASS(class);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(class);
 
     k->realize = pci_edu_realize;
@@ -407,6 +408,7 @@ static void edu_class_init(ObjectClass *class, void *data)
     k->device_id = 0x11e8;
     k->revision = 0x10;
     k->class_id = PCI_CLASS_OTHERS;
+    set_bit(DEVICE_CATEGORY_MISC, dc->categories);
 }
 
 static void pci_edu_register_types(void)