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/x86/cpu/efi/efi.c

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <netdev.h>
+
+int arch_cpu_init(void)
+{
+	return 0;
+}
+
+int board_early_init_f(void)
+{
+	return 0;
+}
+
+int print_cpuinfo(void)
+{
+	return default_print_cpuinfo();
+}
+
+void board_final_cleanup(void)
+{
+}
+
+int misc_init_r(void)
+{
+	return 0;
+}
+
+int arch_misc_init(void)
+{
+	return 0;
+}