Make sure that there's a space between device name and it's status
string regardless if if device is using "id" field or not.

Before:

barebox@ZII RDU2 Board:/ miitool
mdio0-phy00: mdio:no link
mdio1-phy15: 2188000.ethernet@2188000:10 Mbit, half duplex, no link
mdio1-phy16: 2188000.ethernet@2188000:10 Mbit, half duplex, no link
mdio2-phy00: 2188000.ethernet@2188000:mdio:switch@0:no link
mdio2-phy01: 2188000.ethernet@2188000:mdio:switch@0:no link
mdio2-phy02: 2188000.ethernet@2188000:mdio:switch@0:negotiated 100baseTx-FD, link ok
mdio2-phy03: 2188000.ethernet@2188000:mdio:switch@0:no link
mdio2-phy04: 2188000.ethernet@2188000:mdio:switch@0:no link
mdio3-phy01: eth1: negotiated 1000baseT-FD flow-control, link ok

After:

barebox@ZII RDU2 Board:/ miitool
mdio0-phy00: mdio: no link
mdio1-phy15: 2188000.ethernet@2188000: 10 Mbit, half duplex, no link
mdio1-phy16: 2188000.ethernet@2188000: 10 Mbit, half duplex, no link
mdio2-phy00: 2188000.ethernet@2188000:mdio:switch@0: no link
mdio2-phy01: 2188000.ethernet@2188000:mdio:switch@0: no link
mdio2-phy02: 2188000.ethernet@2188000:mdio:switch@0: no link
mdio2-phy03: 2188000.ethernet@2188000:mdio:switch@0: no link
mdio2-phy04: 2188000.ethernet@2188000:mdio:switch@0: no link
mdio3-phy01: eth1: no link

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>