staging: dpaa2-ethsw: fix reported link state

On the .ndo_open() callback set netif_carrier_off() until the link state
interrupt is received so that the LOWER_UP flag does not show up
incorrectly in the output of 'ip link show'.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20200714133431.17532-2-ioana.ciornei@nxp.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>