added the path of compiler in the build script
added the path of compiler in the build script

lightertu/NetsecIoT,lightertu/NetsecIoT,Lightertu/6Lowpan-testbed,Lightertu/6Lowpan-testbed,Lightertu/6Lowpan-testbed,lightertu/NetsecIoT,lightertu/NetsecIoT,lightertu/NetsecIoT