ARM: dts: exynos: align aat1290 flash LED node with bindings in Galaxy S3

The bindings expect aat1290 flash LED child node to be named "led".
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220620175033.130468-3-krzysztof.kozlowski@linaro.orgAcked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>

arch/arm/boot/dts/exynos4412-galaxy-s3.dtsi

@@ -25,7 +25,7 @@ led-controller {
 		pinctrl-1 = <&camera_flash_host>;
 		pinctrl-2 = <&camera_flash_isp>;
 
-		flash-led {
+		led {
 			label = "flash";
 			led-max-microamp = <520833>;
 			flash-max-microamp = <1012500>;