MIPS: Enable GENERIC_HARDIRQS_NO__DO_IRQ for all platforms

__do_IRQ() is deprecated and will go away.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index 12b465d..352352b 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -236,7 +236,7 @@
 	int i;
 
 	for (i = 0; i < BCM1480_NR_IRQS; i++) {
-		set_irq_chip(i, &bcm1480_irq_type);
+		set_irq_chip_and_handler(i, &bcm1480_irq_type, handle_level_irq);
 		bcm1480_irq_owner[i] = 0;
 	}
 }