MTK平台绝密核心代码之 系统引导，是学习研究MTK平台的重要代码，也是做其他类似平台开发的良好参考代码，贡献出来与大家分享。,MTK platform top secret core of the system boot code is to study the importance of MTK platform code, but also other similar platforms to do a good reference code, contribute to share wi