First- setup a new repo on github
Second- repo sync the sources you want
Third- make one change to a folder ex ~/project/device/moto/shamu
Fourth- do command "git remote add origin https://github.com/beanstown/android_device_moto_shamu
Fifth- git add -A && git commit
Sixth- git branch lp
Seventh-git checkout lp
Eighth- git push origin lp