stm32f4: Add support for stm32f429-discovery board

Signed-off-by: Kamil Lulko <rev13@wp.pl>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/st/stm32f429-discovery/led.c b/board/st/stm32f429-discovery/led.c
new file mode 100644
index 0000000..306e550
--- /dev/null
+++ b/board/st/stm32f429-discovery/led.c
@@ -0,0 +1,35 @@
+/*
+ * (C) Copyright 2015
+ * Kamil Lulko, <rev13@wp.pl>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm-generic/gpio.h>
+
+void coloured_LED_init(void)
+{
+	gpio_direction_output(CONFIG_RED_LED, 0);
+	gpio_direction_output(CONFIG_GREEN_LED, 0);
+}
+
+void red_led_off(void)
+{
+	gpio_set_value(CONFIG_RED_LED, 0);
+}
+
+void green_led_off(void)
+{
+	gpio_set_value(CONFIG_GREEN_LED, 0);
+}
+
+void red_led_on(void)
+{
+	gpio_set_value(CONFIG_RED_LED, 1);
+}
+
+void green_led_on(void)
+{
+	gpio_set_value(CONFIG_GREEN_LED, 1);
+}