dsofbus.service: start service after network-online.target

dsoftbus service depends on network-online.target because
it needs eth0 network adapter ready. Dsoftbus is crashing for a
segfault when starting before networking is ready.

Signed-off-by: Francesco Pham <francesco.pham@huawei.com>

recipes-openharmony/openharmony/files/dsoftbus.service

@@ -11,6 +11,8 @@ Wants=foundation.service
 Wants=huks.service
 # Requires SA: 4701
 Wants=deviceauth.service
+After=network-online.target
+Wants=network-online.target
 
 [Service]
 Type=notify