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/arch/powerpc/include/asm/sections.h

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ASM_POWERPC_SECTIONS_H
+#define __ASM_POWERPC_SECTIONS_H
+
+#include <asm-generic/sections.h>
+
+#endif