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/evb-rk3036_defconfig

@@ -0,0 +1,44 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_ROCKCHIP_RK3036=y
+CONFIG_TARGET_EVB_RK3036=y
+CONFIG_SPL_STACK_R_ADDR=0x80000
+CONFIG_DEFAULT_DEVICE_TREE="rk3036-sdk"
+CONFIG_SPL_STACK_R=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_LED=y
+CONFIG_SYSRESET=y
+CONFIG_DM_MMC=y
+CONFIG_ROCKCHIP_DWMMC=y
+CONFIG_PINCTRL=y
+CONFIG_ROCKCHIP_3036_PINCTRL=y
+CONFIG_RAM=y
+# CONFIG_SPL_SERIAL_PRESENT is not set
+CONFIG_DEBUG_UART=y
+CONFIG_DEBUG_UART_BASE=0x20068000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_CMD_DHRYSTONE=y
+CONFIG_ERRNO_STR=y