If you want to use BSW Builder to regenerate code, follow the steps:
1. Copy the contents of led_rte to a new project
2. Make sure BOARDDIR is set to mpc5516it (right click on your project select properties->C/C++ Build->Environment)
3. Load the interface definitions needed by IoHwAb (right click on your project select properties ->Arccore Tools->BSW Service components->IoHwAb select load)
4. Now you can regenerate code from BSW Builder