mfd: rt5033: Add RT5033 Flash led sub device

This patch adds rt5033-led sub device to support it.
Signed-off-by: NIngi Kim <ingi2.kim@samsung.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

drivers/mfd/rt5033.c

@@ -47,6 +47,9 @@ static const struct mfd_cell rt5033_devs[] = {
 	}, {
 		.name = "rt5033-battery",
 		.of_compatible = "richtek,rt5033-battery",
+	}, {
+		.name = "rt5033-led",
+		.of_compatible = "richtek,rt5033-led",
 	},
 };