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/arch/arm/cpu/armv7/omap4/Kconfig

@@ -0,0 +1,29 @@
+if OMAP44XX
+
+choice
+	prompt "OMAP4 board select"
+	optional
+
+config TARGET_DUOVERO
+	bool "OMAP4430 Gumstix Duovero"
+
+config TARGET_OMAP4_PANDA
+	bool "TI OMAP4 PandaBoard"
+
+config TARGET_OMAP4_SDP4430
+	bool "TI OMAP4 SDP4430"
+
+config TARGET_KC1
+	bool "Amazon Kindle Fire (first generation)"
+
+endchoice
+
+config SYS_SOC
+	default "omap4"
+
+source "board/gumstix/duovero/Kconfig"
+source "board/ti/panda/Kconfig"
+source "board/ti/sdp4430/Kconfig"
+source "board/amazon/kc1/Kconfig"
+
+endif