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/configs/colibri_vf_defconfig

@@ -0,0 +1,41 @@
+CONFIG_ARM=y
+CONFIG_TARGET_COLIBRI_VF=y
+CONFIG_DM_SERIAL=y
+CONFIG_DM_SPI=y
+CONFIG_DM_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="vf610-colibri"
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/toradex/colibri_vf/imximage.cfg,ENV_IS_IN_NAND,IMX_NAND"
+CONFIG_BOOTDELAY=1
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="Colibri VFxx # "
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DFU=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+CONFIG_DM=y
+CONFIG_VYBRID_GPIO=y
+CONFIG_NAND_VF610_NFC=y
+CONFIG_SYS_NAND_VF610_NFC_60_ECC_BYTES=y
+CONFIG_FSL_LPUART=y
+CONFIG_FSL_DSPI=y
+CONFIG_USB=y
+CONFIG_USB_GADGET=y
+CONFIG_CI_UDC=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Toradex"
+CONFIG_G_DNL_VENDOR_NUM=0x1b67
+CONFIG_G_DNL_PRODUCT_NUM=0x0016