Cloning this repository:

git clone git://gitorious.org/motorofl/android_frameworks_base.git android_frameworks_base
cd android_frameworks_base

Add this repository as a remote to an existing local repository:

git remote add android_frameworks_base git://gitorious.org/motorofl/android_frameworks_base.git
git fetch android_frameworks_base
git checkout -b my-local-tracking-branch android_frameworks_base/master_or_other_branch