FYI: Another option is:
1) enable object files to be created by pragma store_object_files
https://community.nxp.com/message/98264?commentID=98264#comment-98264
2) enable Pre-linker batch runner:

3)create a batch file in your project folder that disassembles all object files generated e.g.
disassemble.bat:
"c:\Freescale\CW for MPC55xx and MPC56xx 2.10\PowerPC_EABI_Tools\Command_Line_Tools
\mwldeppc.exe" -S <Path to your project folder>\<ProjectName>_Data\internal_FLASH\ObjectCode
\*.o -o <Path to your project folder>\bin\
4) setup BatchRunner PreLinker to execute disassemble.bat before linking the project:

Rebuild the project and now the output directory should include the disassembly listings (*.s):

Stan