ASoC: wm0010: Add missing IRQF_ONESHOT

FYI, there are new coccinelle warnings show up in

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git

 for-3.7
head:   e3523e01
commit: e3523e01 [95/95] ASoC: wm0010: Add initial wm0010 DSP driver

All coccinelle warnings:

+ sound/soc/codecs/wm0010.c:850:7-27: ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT
--
+ sound/soc/codecs/wm0010.c:660:1-7: preceding lock on line 359

vim +850 sound/soc/codecs/wm0010.c
   847			trigger = IRQF_TRIGGER_FALLING;
   848		trigger |= IRQF_ONESHOT;
   849
 > 850		ret = request_threaded_irq(irq, NULL, wm0010_irq, trigger,
   851					   "wm0010", wm0010);
   852		if (ret)
   853			dev_err(wm0010->dev, "Failed to request IRQ %d: %d\n",

Please consider folding the attached diff :-)

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>