lp8727_charger: Use IRQF_ONESHOT

Generated by: scripts/coccinelle/misc/irqf_oneshot.cocci

ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT

Make sure threaded IRQs without a primary handler are always request
with IRQF_ONESHOT
Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Acked-by: NMilo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: NAnton Vorontsov <anton.vorontsov@linaro.org>

drivers/power/lp8727_charger.c

@@ -255,7 +255,7 @@ static int lp8727_intr_config(struct lp8727_chg *pchg)
 	return request_threaded_irq(pchg->client->irq,
 				NULL,
 				lp8727_isr_func,
-				IRQF_TRIGGER_FALLING,
+				IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
 				"lp8727_irq",
 				pchg);
 }