将.c文件（交叉）编译为.ko文件

转自：http://blog.youkuaiyun.com/laojing123/article/details/5944321

http://www.arm9home.net/simple/index.php?t5464.html   （这个目前被证明是有效的）

http://blog.youkuaiyun.com/jeffreyst/article/details/7595417

http://www.360doc.com/content/11/1229/19/6828497_175902447.shtml

http://blog.youkuaiyun.com/fdl19881/article/details/7467129

http://blog.youkuaiyun.com/newnewman80/article/details/7001498