drivers: net: cpsw: fix cpsw dp parse when num slaves as 1

On some boards number of slaves can be 1 when only one port
ethernet is pinned out. So do not break when slave_index and
num slaves check fails, instead continue to parse the next
child.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

drivers/net/cpsw.c

@@ -1209,10 +1209,8 @@ static int cpsw_eth_ofdata_to_platdata(struct udevice *dev)
 		if (!strncmp(name, "slave", 5)) {
 			u32 phy_id[2];
 
-			if (slave_index >= priv->data.slaves) {
-				printf("error: num slaves and slave nodes did not match\n");
-				return -EINVAL;
-			}
+			if (slave_index >= priv->data.slaves)
+				continue;
 			phy_mode = fdt_getprop(fdt, subnode, "phy-mode", NULL);
 			if (phy_mode)
 				priv->data.slave_data[slave_index].phy_if =