ar71xx: remove the use of the obsolete IRQF_DISABLED flag in the NAND flash driver (fixes #20125)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 46433

target/linux/ar71xx/files/drivers/mtd/nand/ar934x_nfc.c

@@ -1376,7 +1376,7 @@ ar934x_nfc_probe(struct platform_device *pdev)
 	}
 
 	init_waitqueue_head(&nfc->irq_waitq);
-	ret = request_irq(nfc->irq, ar934x_nfc_irq_handler, IRQF_DISABLED,
+	ret = request_irq(nfc->irq, ar934x_nfc_irq_handler, 0,
 			  dev_name(&pdev->dev), nfc);
 	if (ret) {
 		dev_err(&pdev->dev, "requast_irq failed, err:%d\n", ret);