usbnet: dm9601: apply usbnet_link_change

Use usbnet_link_change to handle link change centrally.

Cc: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 file changed