backlight: lm3630a: Switch to use fwnode_property_count_uXX()

Use use fwnode_property_count_uXX() directly, that makes code neater.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/video/backlight/lm3630a_bl.c

@@ -377,8 +377,7 @@ static int lm3630a_parse_led_sources(struct fwnode_handle *node,
 	u32 sources[LM3630A_NUM_SINKS];
 	int ret, num_sources, i;
 
-	num_sources = fwnode_property_read_u32_array(node, "led-sources", NULL,
-						     0);
+	num_sources = fwnode_property_count_u32(node, "led-sources");
 	if (num_sources < 0)
 		return default_led_sources;
 	else if (num_sources > ARRAY_SIZE(sources))