compile prepare dpendency

sudo apt-get install subversion build-essential
libncurses5-dev zlib1g-dev gawk git ccache
gettext libssl-dev xsltproc libxml-parser-perl
gengetopt default-jre-headless ocaml-nox sharutils u-boot-tools cd slk-r680_v1 ./scripts/feeds update -a ./scripts/feeds install -a -f cp new-config .config build make V=s -j4 || make V=s