device: use host ident for host devices

If a device is a host device, i.e. does not have a parent device, use
the new host identification method, which will transparently fall
back to use the SMBIOS/DMI information, in case the standard
device information is not available, which is the case on embedded
thunderbolt controllers.

boltd/bolt-device.c

@@ -1194,15 +1194,19 @@ bolt_device_new_for_udev (struct udev_device *udev,
   if (!ok)
     return NULL;
 
-  ok = bolt_sysfs_device_ident (udev, &id, error);
-  if (!ok)
-    return NULL;
-
   if (info.parent == NULL)
     type = BOLT_DEVICE_HOST;
   else
     type = BOLT_DEVICE_PERIPHERAL;
 
+  if (type == BOLT_DEVICE_HOST)
+    ok = bolt_sysfs_host_ident (udev, &id, error);
+  else
+    ok = bolt_sysfs_device_ident (udev, &id, error);
+
+  if (!ok)
+    return NULL;
+
   ct = (guint64) info.ctim;
 
   status = bolt_status_from_info (&info);