genirq: fix set_irq_type() when recording trigger type

Impact: fix boot hang on a G5

In set_irq_type() we want to pass the type rather than the current
interrupt state.
Signed-off-by: NChris Friesen <cfriesen@nortel.com>
Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

kernel/irq/chip.c

@@ -127,7 +127,7 @@ int set_irq_type(unsigned int irq, unsigned int type)
 		return 0;
 
 	spin_lock_irqsave(&desc->lock, flags);
-	ret = __irq_set_trigger(desc, irq, flags);
+	ret = __irq_set_trigger(desc, irq, type);
 	spin_unlock_irqrestore(&desc->lock, flags);
 	return ret;
 }