net: dsa: qca8k: Use of_property_present() for non-boolean properties

The use of of_property_read_bool() for non-boolean properties is
deprecated in favor of of_property_present() when testing for property
presence.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: robherring

drivers/net/dsa/qca/qca8k-8xxx.c

@@ -1019,7 +1019,7 @@ qca8k_setup_mdio_bus(struct qca8k_priv *priv)
 
 		of_get_phy_mode(port, &mode);
 
-		if (of_property_read_bool(port, "phy-handle") &&
+		if (of_property_present(port, "phy-handle") &&
 		    mode != PHY_INTERFACE_MODE_INTERNAL)
 			external_mdio_mask |= BIT(reg);
 		else