LSK backported features 1, The kaslr and kaslr-pax_usercopy branches base on LSK directly. v4.4/topic/mm-kaslr v4.4/topic/mm-kaslr-pax_usercopy 2, Coresight and openCSD are used for Juno board 'perf' tool implement. origin/v4.4/topic/coresight origin/v4.4/topic/perf-opencsd-4.4-github 3, OPTEE base on LSK mainline, but isn't included of mainline. Feature introducation: https://wiki.linaro.org/lsk/features