Like other Ethernet drivers, print link speed and duplex mode
when the interface is up. Formatting output at the same time.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
r8168, r8125 and r8126 have been transferred from https://github.com/noltari to
https://github.com/openwrt.
The old URL should still work after the transfer, but let's update it anyway.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
