net: dsa: mv88e6xxx: Fix interrupt name for g2 irq

This changes the respective line in /proc/interrupts from

 49:          x          x  mv88e6xxx-g1   7 Edge      mv88e6xxx-g1

to

 49:          x          x  mv88e6xxx-g1   7 Edge      mv88e6xxx-g2

which makes more sense.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dsa/mv88e6xxx/global2.c

@@ -1090,7 +1090,7 @@ int mv88e6xxx_g2_irq_setup(struct mv88e6xxx_chip *chip)
 
 	err = request_threaded_irq(chip->device_irq, NULL,
 				   mv88e6xxx_g2_irq_thread_fn,
-				   IRQF_ONESHOT, "mv88e6xxx-g1", chip);
+				   IRQF_ONESHOT, "mv88e6xxx-g2", chip);
 	if (err)
 		goto out;