Thank you for the advice Lord Mark, It has been very helpful.
Now, following the PDF notes, I have created a modified project in "<install_dir>/mqx/build/cw10/psp_m54455evb_test" based on psp_m54455evb. After opening a few files and navigating the project I still don't have a clue of how to add a name server. I don't know if I have to add something into the user_config file. I mean, some kind of:
#define PSPCFG_ENABLE_NAMESERV 1
I can build the project as it is, but don't know if this will do something productive.
Thank you,