net: dsa: microchip: add KSZ9896 to KSZ9477 I2C driver

Add support for the KSZ9896 6-port Gigabit Ethernet Switch to the
ksz9477 driver. The KSZ9896 supports both SPI (already in) and I2C.
Signed-off-by: NRomain Naour <romain.naour@skf.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/dsa/microchip/ksz9477_i2c.c

@@ -91,6 +91,10 @@ static const struct of_device_id ksz9477_dt_ids[] = {
 		.compatible = "microchip,ksz9477",
 		.data = &ksz_switch_chips[KSZ9477]
 	},
+	{
+		.compatible = "microchip,ksz9896",
+		.data = &ksz_switch_chips[KSZ9896]
+	},
 	{
 		.compatible = "microchip,ksz9897",
 		.data = &ksz_switch_chips[KSZ9897]