FLAS-30 #resolve Add Readme and chip-update-firmware.sh

.gitignore

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+.firmware

README.md

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+# CHIP-tools
+A collection of scripts for working with CHIP
+
+## Requirements
+1) [sunxi-tools](https://github.com/linux-sunxi/sunxi-tools.git)
+2) **uboot-tools** from your package manager
+
+## Included Tools
+### chip-update-firmware
+This tool is used to download the latest firmware release for CHIP and run **chip-fel-flash** with the newest firmware.
+
+### chip-fel-flash
+This tool is used to flash a local firmware image to a connected CHIP over FEL
+
+### chip-fel-upload
+This tool is used to upload uboot, a linux kernel and an initramfs and launch into it 
+

chip-update-firmware.sh

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+#!/bin/bash
+FW_DIR="$(pwd)/.firmware"
+FW_IMAGE_DIR="${FW_DIR}/images"
+S3_URL="https://s3-ap-northeast-1.amazonaws.com/stak-images/firmware/chip/stable/5/images"
+
+function require_directory {
+	if [[ ! -d "${1}" ]]; then
+		mkdir -p "${1}"
+	fi
+}
+
+function cache_download {
+	if [[ ! -f "${1}/${2}" ]]; then
+		wget -P "${FW_IMAGE_DIR}" "${S3_URL}/${2}" ||
+			exit 1
+	fi
+}
+
+require_directory "${FW_IMAGE_DIR}"
+cache_download "${FW_IMAGE_DIR}" rootfs.ubi
+cache_download "${FW_IMAGE_DIR}" sun5i-r8-chip.dtb
+cache_download "${FW_IMAGE_DIR}" sunxi-spl.bin
+cache_download "${FW_IMAGE_DIR}" uboot-env.bin
+cache_download "${FW_IMAGE_DIR}" zImage
+cache_download "${FW_IMAGE_DIR}" u-boot-dtb.bin
+
+BUILDROOT_OUTPUT_DIR="${FW_DIR}" ./chip-fel-flash.sh