score: remove deprecated IRQF_DISABLED

This patch removes the use of the IRQF_DISABLED flag
from arch/score/kernel/time.c

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>
Acked-by: Lennox Wu <lennox.wu@gmail.com>

arch/score/kernel/time.c

@@ -41,7 +41,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 
 static struct irqaction timer_irq = {
 	.handler = timer_interrupt,
-	.flags = IRQF_DISABLED | IRQF_TIMER,
+	.flags = IRQF_TIMER,
 	.name = "timer",
 };