envsetup: cleanup the full list

Look at the source to view more functions. The complete list is:

EOF

    T=$(gettop)

    local A

    A=""

    for i in `cat $T/build/envsetup.sh | sed -n "/^[[:blank:]]*function /s/function \([a-z_]*\).*/\1/p" | sort | uniq`; do

      A="$A $i"

    done

    echo $A

      echo "$i"

    done | column

}

# Get all the build variables needed by this script in a single call to the build system.