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/drivers/Kconfig

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+menu "Device Drivers"
+
+source "drivers/core/Kconfig"
+
+# types of drivers sorted in alphabetical order
+
+source "drivers/adc/Kconfig"
+
+source "drivers/block/Kconfig"
+
+source "drivers/clk/Kconfig"
+
+source "drivers/cpu/Kconfig"
+
+source "drivers/crypto/Kconfig"
+
+source "drivers/demo/Kconfig"
+
+source "drivers/dfu/Kconfig"
+
+source "drivers/dma/Kconfig"
+
+source "drivers/gpio/Kconfig"
+
+source "drivers/hwmon/Kconfig"
+
+source "drivers/i2c/Kconfig"
+
+source "drivers/input/Kconfig"
+
+source "drivers/led/Kconfig"
+
+source "drivers/mailbox/Kconfig"
+
+source "drivers/memory/Kconfig"
+
+source "drivers/misc/Kconfig"
+
+source "drivers/mmc/Kconfig"
+
+source "drivers/mtd/Kconfig"
+
+source "drivers/net/Kconfig"
+
+source "drivers/pci/Kconfig"
+
+source "drivers/pcmcia/Kconfig"
+
+source "drivers/pinctrl/Kconfig"
+
+source "drivers/power/Kconfig"
+
+source "drivers/pwm/Kconfig"
+
+source "drivers/ram/Kconfig"
+
+source "drivers/remoteproc/Kconfig"
+
+source "drivers/reset/Kconfig"
+
+source "drivers/rtc/Kconfig"
+
+source "drivers/serial/Kconfig"
+
+source "drivers/sound/Kconfig"
+
+source "drivers/spi/Kconfig"
+
+source "drivers/spmi/Kconfig"
+
+source "drivers/thermal/Kconfig"
+
+source "drivers/timer/Kconfig"
+
+source "drivers/tpm/Kconfig"
+
+source "drivers/usb/Kconfig"
+
+source "drivers/video/Kconfig"
+
+source "drivers/watchdog/Kconfig"
+
+config PHYS_TO_BUS
+	bool "Custom physical to bus address mapping"
+	help
+	  Some SoCs use a different address map for CPU physical addresses and
+	  peripheral DMA master accesses. If yours does, select this option in
+	  your platform's Kconfig, and implement the appropriate mapping
+	  functions in your platform's support code.
+
+endmenu