extcon: arizona: Switch to use device_property_count_u32()

Use use device_property_count_u32() directly, that makes code neater.

Signed-off-by: Andy Shevchenko <[e-mail]>
Acked-by: Charles Keepax <[e-mail]>
Signed-off-by: Chanwoo Choi <[e-mail]>

drivers/extcon/extcon-arizona.c

···
 	int i, j;
 	u32 *vals;
 
-	nconfs = device_property_read_u32_array(arizona->dev, prop, NULL, 0);
+	nconfs = device_property_count_u32(arizona->dev, prop);
 	if (nconfs <= 0)
 		return 0;