net: phy: mscc: initialize stats array

net: phy: mscc: initialize stats array

The memory allocated for the stats array may contain arbitrary data.

Fixes: e4f9ba642f0b ("net: phy: mscc: add support for VSC8514 PHY.")
Fixes: 00d70d8e0e78 ("net: phy: mscc: add support for VSC8574 PHY")
Fixes: a5afc1678044 ("net: phy: mscc: add support for VSC8584 PHY")
Fixes: f76178dc5218 ("net: phy: mscc: add ethtool statistics counters")
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>