All switch ports are labeled as port@address so let's follow the same pattern.
Fixes: ed79519b8d89 ("bmips: add support for Netgear DGND3700 v1, DGND3800B")
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit d9210c5ff797896317d1b6293a5ad768b7482cfe)