This issue was detected after adding regmap register access validation.
KSZ9893 compatible chips do not have "Output Clock Control Register
0x0103". So, avoid writing to it.
Signed-off-by: NOleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: NVladimir Oltean <olteanv@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>