net: phy: LAN937x: add interrupt support for link detection

Added the config_intr and handle_interrupt for the LAN937x phy which is
same as the LAN87xx phy.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220423154727.29052-1-arun.ramadoss@microchip.comSigned-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/phy/microchip_t1.c

@@ -792,6 +792,8 @@ static struct phy_driver microchip_t1_phy_driver[] = {
 		.flags          = PHY_POLL_CABLE_TEST,
 		.features	= PHY_BASIC_T1_FEATURES,
 		.config_init	= lan87xx_config_init,
+		.config_intr    = lan87xx_phy_config_intr,
+		.handle_interrupt = lan87xx_handle_interrupt,
 		.suspend	= genphy_suspend,
 		.resume		= genphy_resume,
 		.config_aneg    = lan87xx_config_aneg,