arm: plat-orion: remove deprecated IRQF_DISABLED

This patch proposes to remove the use of the IRQF_DISABLED flag

It's a NOOP since 2.6.35 and it will be removed one day.
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/plat-orion/time.c

@@ -174,7 +174,7 @@ static irqreturn_t orion_timer_interrupt(int irq, void *dev_id)
 
 static struct irqaction orion_timer_irq = {
 	.name		= "orion_tick",
-	.flags		= IRQF_DISABLED | IRQF_TIMER,
+	.flags		= IRQF_TIMER,
 	.handler	= orion_timer_interrupt
 };