net: dsa: mv88e6xxx: make const read-only array lanes static

Don't populate the const read-only array lanes on the stack, instead make
it static.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/mv88e6xxx/pcs-639x.c

@@ -208,7 +208,7 @@ static void mv88e639x_sgmii_pcs_pre_config(struct phylink_pcs *pcs,
 
 static int mv88e6390_erratum_3_14(struct mv88e639x_pcs *mpcs)
 {
-	const int lanes[] = { MV88E6390_PORT9_LANE0, MV88E6390_PORT9_LANE1,
+	static const int lanes[] = { MV88E6390_PORT9_LANE0, MV88E6390_PORT9_LANE1,
 		MV88E6390_PORT9_LANE2, MV88E6390_PORT9_LANE3,
 		MV88E6390_PORT10_LANE0, MV88E6390_PORT10_LANE1,
 		MV88E6390_PORT10_LANE2, MV88E6390_PORT10_LANE3 };