avionic design with actual uboot and tooling

submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md

u-boot/board/mini-box/picosam9g45/led.c

@@ -0,0 +1,22 @@
+/*
+ * (C) Copyright 2007-2008
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/at91sam9g45.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+
+void coloured_LED_init(void)
+{
+	at91_periph_clk_enable(ATMEL_ID_PIODE);
+
+	at91_set_gpio_output(CONFIG_GREEN_LED, 1);
+
+	at91_set_gpio_value(CONFIG_GREEN_LED, 1);
+}