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/include/configs/efi-x86.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <configs/x86-common.h>
+
+#undef CONFIG_CMD_SF_TEST
+
+#undef CONFIG_TPM_TIS_BASE_ADDRESS
+
+#undef CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_IS_NOWHERE
+#undef CONFIG_VIDEO
+#undef CONFIG_CFB_CONSOLE
+#undef CONFIG_SCSI_AHCI
+#undef CONFIG_SCSI
+#undef CONFIG_INTEL_ICH6_GPIO
+#undef CONFIG_USB_EHCI_PCI
+
+#define CONFIG_STD_DEVICES_SETTINGS     "stdin=usbkbd,vga,serial\0" \
+					"stdout=vga,serial\0" \
+					"stderr=vga,serial\0"
+
+#endif