leds: mc13783: Fix "uninitialized variable" warning

drivers/leds/leds-mc13783.c: In function 'mc13xxx_led_probe':
drivers/leds/leds-mc13783.c:195:2: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
Signed-off-by: NAlexander Shiyan <shc_work@mail.ru>
Signed-off-by: NBryan Wu <cooloney@gmail.com>

drivers/leds/leds-mc13783.c

@@ -208,7 +208,7 @@ static int __init mc13xxx_led_probe(struct platform_device *pdev)
 	struct mc13xxx_led_devtype *devtype =
 		(struct mc13xxx_led_devtype *)pdev->id_entry->driver_data;
 	struct mc13xxx_leds *leds;
-	int i, id, num_leds, ret;
+	int i, id, num_leds, ret = -ENODATA;
 	u32 reg, init_led = 0;
 
 	if (!pdata) {