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/mips/mach-ath79/Kconfig

@@ -0,0 +1,55 @@
+menu "QCA/Atheros 7xxx/9xxx platforms"
+	depends on ARCH_ATH79
+
+config SYS_SOC
+	default "ath79"
+
+config SOC_AR933X
+	bool
+	select SUPPORTS_BIG_ENDIAN
+	select SUPPORTS_CPU_MIPS32_R1
+	select SUPPORTS_CPU_MIPS32_R2
+	select MIPS_TUNE_24KC
+	help
+	  This supports QCA/Atheros ar933x family SOCs.
+
+config SOC_AR934X
+	bool
+	select SUPPORTS_BIG_ENDIAN
+	select SUPPORTS_CPU_MIPS32_R1
+	select SUPPORTS_CPU_MIPS32_R2
+	select MIPS_TUNE_74KC
+	help
+	  This supports QCA/Atheros ar934x family SOCs.
+
+config SOC_QCA953X
+	bool
+	select SUPPORTS_BIG_ENDIAN
+	select SUPPORTS_CPU_MIPS32_R1
+	select SUPPORTS_CPU_MIPS32_R2
+	select MIPS_TUNE_24KC
+	help
+	  This supports QCA/Atheros qca953x family SOCs.
+
+choice
+	prompt "Board select"
+
+config TARGET_AP121
+	bool "AP121 Reference Board"
+	select SOC_AR933X
+
+config TARGET_AP143
+	bool "AP143 Reference Board"
+	select SOC_QCA953X
+
+config BOARD_TPLINK_WDR4300
+	bool "TP-Link WDR4300 Board"
+	select SOC_AR934X
+
+endchoice
+
+source "board/qca/ap121/Kconfig"
+source "board/qca/ap143/Kconfig"
+source "board/tplink/wdr4300/Kconfig"
+
+endmenu