You can do the following:
./ltib -c
Package List - - - >
and select
[*] hello world module example
If you want to extract the source:
./ltib -p hello_mod.spec -m prep
Then look at rpm/BUILD/hello_mod-1.2/README file for a good explanation on how to build a kernel module within LTIB.
Regards,
Fabio Estevam