If there is no valid MAC address in the device tree, use a random
MAC address.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NMadalin Bucur <madalin.bucur@oss.nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>