Revert "irqchip/xilinx: Do not call irq_set_default_host()"

This reverts commit 9c2d4f5, which
breaks a number of PPC platforms.

Reported-by: Stephen Rothwell <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Marc Zyngier

drivers/irqchip/irq-xilinx-intc.c

@@ -250,6 +250,7 @@ static int __init xilinx_intc_of_init(struct device_node *intc,
 		}
 	} else {
 		primary_intc = irqc;
+		irq_set_default_host(primary_intc->root_domain);
 		set_handle_irq(xil_intc_handle_irq);
 	}