phy: cpcap-usb: Use IRQF_ONESHOT

Fixes coccicheck error:

./drivers/phy/motorola/phy-cpcap-usb.c:365:9-34: ERROR:
Threaded IRQ with no primary handler requested without IRQF_ONESHOT
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1603875549-107500-1-git-send-email-zou_wei@huawei.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/motorola/phy-cpcap-usb.c

@@ -364,7 +364,8 @@ static int cpcap_usb_init_irq(struct platform_device *pdev,
 
 	error = devm_request_threaded_irq(ddata->dev, irq, NULL,
 					  cpcap_phy_irq_thread,
-					  IRQF_SHARED,
+					  IRQF_SHARED |
+					  IRQF_ONESHOT,
 					  name, ddata);
 	if (error) {
 		dev_err(ddata->dev, "could not get irq %s: %i\n",