sound: irq: Remove IRQF_DISABLED

Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).

So now this flag is a NOOP and can be removed.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/sb/sb_common.c b/sound/isa/sb/sb_common.c
index eae6c1c..d2e1921 100644
--- a/sound/isa/sb/sb_common.c
+++ b/sound/isa/sb/sb_common.c
@@ -240,7 +240,7 @@
 	if (request_irq(irq, irq_handler,
 			(hardware == SB_HW_ALS4000 ||
 			 hardware == SB_HW_CS5530) ?
-			IRQF_SHARED : IRQF_DISABLED,
+			IRQF_SHARED : 0,
 			"SoundBlaster", (void *) chip)) {
 		snd_printk(KERN_ERR "sb: can't grab irq %d\n", irq);
 		snd_sbdsp_free(chip);