m68knommu: switch to using generic_handle_irq()

Switch to using generic_handle_irq() instead of the deprecated __do_IRQ().

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
diff --git a/arch/m68knommu/kernel/irq.c b/arch/m68knommu/kernel/irq.c
index bba1bb4..56e0f4c5 100644
--- a/arch/m68knommu/kernel/irq.c
+++ b/arch/m68knommu/kernel/irq.c
@@ -23,7 +23,7 @@
 	struct pt_regs *oldregs = set_irq_regs(regs);
 
 	irq_enter();
-	__do_IRQ(irq);
+	generic_handle_irq(irq);
 	irq_exit();
 
 	set_irq_regs(oldregs);