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/lib/asm-offsets.c

@@ -0,0 +1,26 @@
+/*
+ * Adapted from Linux v2.6.36 kernel: arch/powerpc/kernel/asm-offsets.c
+ *
+ * This program is used to generate definitions needed by
+ * assembly language modules.
+ *
+ * We use the technique used in the OSF Mach kernel code:
+ * generate asm statements containing #defines,
+ * compile this file to assembler, and then extract the
+ * #defines from the assembly-language output.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/kbuild.h>
+
+int main(void)
+{
+	DEFINE(GD_BIST, offsetof(gd_t, arch.bist));
+#ifdef CONFIG_HAVE_FSP
+	DEFINE(GD_HOB_LIST, offsetof(gd_t, arch.hob_list));
+#endif
+	DEFINE(GD_TABLE, offsetof(gd_t, arch.table));
+	return 0;
+}