To initialize your local repository using the KangXperiaProject trees, use a command like this:
repo init -u https://github.com/KangXperiaProject/platform_manifest.git -b ics
Then to sync up:
repo sync
temporary fix to build:
install -d prebuilt/android-arm/kernel
curl -o prebuilt/android-arm/kernel/LINUX_KERNEL_COPYING -O https://raw.github.com/ezterry/kernel-biff-testing/ezgb-2636/COPYING