irqchip/armada-370-xp: Make IPIs use handle_percpu_devid_irq()

As done for the Arm GIC irqchips, move IPIs to handle_percpu_devid_irq() as
handle_percpu_devid_fasteoi_ipi() isn't actually required.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201109094121.29975-3-valentin.schneider@arm.com

drivers/irqchip/irq-armada-370-xp.c

@@ -382,7 +382,7 @@ static int armada_370_xp_ipi_alloc(struct irq_domain *d,
 		irq_set_percpu_devid(virq + i);
 		irq_domain_set_info(d, virq + i, i, &ipi_irqchip,
 				    d->host_data,
-				    handle_percpu_devid_fasteoi_ipi,
+				    handle_percpu_devid_irq,
 				    NULL, NULL);
 	}