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/crownbay_defconfig

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+CONFIG_X86=y
+CONFIG_VENDOR_INTEL=y
+CONFIG_DEFAULT_DEVICE_TREE="crownbay"
+CONFIG_TARGET_CROWNBAY=y
+CONFIG_SMP=y
+CONFIG_MAX_CPUS=2
+CONFIG_HAVE_VGA_BIOS=y
+CONFIG_GENERATE_PIRQ_TABLE=y
+CONFIG_GENERATE_MP_TABLE=y
+CONFIG_FIT=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_CPU=y
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+# CONFIG_CMD_NFS is not set
+CONFIG_CMD_PING=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_OF_CONTROL=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CPU=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SST=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DM_ETH=y
+CONFIG_E1000=y
+CONFIG_PCH_GBE=y
+CONFIG_DM_PCI=y
+CONFIG_DM_RTC=y
+CONFIG_SYS_NS16550=y
+CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_VIDEO_VESA=y
+CONFIG_FRAMEBUFFER_SET_VESA_MODE=y
+CONFIG_USE_PRIVATE_LIBGCC=y