net: phy: micrel: enable interrupt for ksz9477 phy

Config_intr and handle_interrupt are enabled for ksz9477 phy. It is
similar to all other phys in the micrel phys.

Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/phy/micrel.c

@@ -3348,6 +3348,8 @@ static struct phy_driver ksphy_driver[] = {
 	.name		= "Microchip KSZ9477",
 	/* PHY_GBIT_FEATURES */
 	.config_init	= kszphy_config_init,
+	.config_intr	= kszphy_config_intr,
+	.handle_interrupt = kszphy_handle_interrupt,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,
 } };