update kernel/liteos_a/tools/scripts/make_rootfs/rootfsdir.sh.

kernel/liteos_a/tools/scripts/make_rootfs/rootfsdir.sh

@@ -28,6 +28,8 @@
 # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/*创建一系列系统目录，并把bin和lib的内容拷贝进去*/
+
 set -e
 
 BIN_DIR=$1