leds: lm3532: Switch to use fwnode_property_count_uXX()

Use fwnode_property_count_uXX() directly, that makes code neater.

Signed-off-by: Andy Shevchenko <[e-mail]>
Acked-by: Dan Murphy <[e-mail]>
Signed-off-by: Jacek Anaszewski <[e-mail]>

drivers/leds/leds-lm3532.c

···
 				lm3532_als_configure(priv, led);
 		}
 
-		led->num_leds = fwnode_property_read_u32_array(child,
-							       "led-sources",
-							       NULL, 0);
-
+		led->num_leds = fwnode_property_count_u32(child, "led-sources");
 		if (led->num_leds > LM3532_MAX_LED_STRINGS) {
 			dev_err(&priv->client->dev, "To many LED string defined\n");
 			continue;