net: stmmac: honor error code from stmmac_dt_phy()

Honor error code from stmmac_dt_phy() instead of always
returning -ENODEV.

No functional change intended.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Niklas Cassel 2018-02-19 18:11:15 +01:00 • committed by David S. Miller
commit ce339abc9a