power_supply: 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>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
index 156559e..cf8681c 100644
--- a/drivers/power/wm97xx_battery.c
+++ b/drivers/power/wm97xx_battery.c
@@ -196,7 +196,7 @@
 		if (ret)
 			goto err2;
 		ret = request_irq(gpio_to_irq(pdata->charge_gpio),
-				wm97xx_chrg_irq, IRQF_DISABLED,
+				wm97xx_chrg_irq, 0,
 				"AC Detect", dev);
 		if (ret)
 			goto err2;