[BPI-M64] New image: Android 6.0 (Vsersion:V2)

I have extract the init.rc in DragonFace. What shall I need to modify to receive root ?

File "init.rc"

import init.common.rc
import init.sun50iw1p1.usb.rc
import init.${ro.zygote}.rc

on early-init
    mount debugfs debugfs /sys/kernel/debug/ mode=755

on init
    # Set permissions for persist partition
    mkdir /persist 0771 system system
    mkdir /firmware 0771 system system

    # Support legacy paths
    symlink /sdcard /mnt/sdcard
    symlink /sdcard /storage/sdcard0

    mkdir /oem 0550 system system
on early-fs
    insmod nand.ko
    mount_all /fstab.sun50iw1p1
    swapon_all /fstab.sun50iw1p1
    restorecon_recursive /persist

    wait /dev/block/by-name/media_data
    mount vfat /dev/block/by-name/media_data /oem ro nosuid nodev utf8,context=u:object_r:oemfs:s0

on fs
    insmod /system/vendor/modules/disp.ko
	insmod /system/vendor/modules/sunxi_tr.ko
    insmod /system/vendor/modules/hdmi.ko

	#secure storage
    insmod /system/vendor/modules/te_sec_storage.ko

	# gpu
    insmod /system/vendor/modules/mali.ko

	# sw-keystore
    mkdir /cache/HWML 0770 root system
    insmod /system/vendor/modules/sunxi_schw.ko
    chmod 0660 /dev/scdev
    chown keystore keystore /dev/scdev

	# sw-keyboard
    insmod /system/vendor/modules/sunxi-keyboard.ko

    #Justin Porting Start
    #init_dev_detect

    insmod /system/vendor/modules/gpio-sunxi.ko
    insmod /system/vendor/modules/ft5x_ts.ko  
    
     # BPI-M664-GPIO 
        chmod 777 /sys/class/gpio_sw/PH3/data
	chmod 777 /sys/class/gpio_sw/PH2/data
	chmod 777 /sys/class/gpio_sw/PH6/data
	chmod 777 /sys/class/gpio_sw/PH7/data
	chmod 777 /sys/class/gpio_sw/PH10/data
	chmod 777 /sys/class/gpio_sw/PH11/data
	chmod 777 /sys/class/gpio_sw/PD2/data
	chmod 777 /sys/class/gpio_sw/PD3/data
	chmod 777 /sys/class/gpio_sw/PD1/data
	chmod 777 /sys/class/gpio_sw/PC4/data
	chmod 777 /sys/class/gpio_sw/PC7/data
	chmod 777 /sys/class/gpio_sw/PB5/data
	chmod 777 /sys/class/gpio_sw/PB4/data
	chmod 777 /sys/class/gpio_sw/PB6/data
	chmod 777 /sys/class/gpio_sw/PL12/data
	chmod 777 /sys/class/gpio_sw/PB0/data
	chmod 777 /sys/class/gpio_sw/PB1/data
	chmod 777 /sys/class/gpio_sw/PB3/data
	chmod 777 /sys/class/gpio_sw/PB2/data
	chmod 777 /sys/class/gpio_sw/PD4/data
	chmod 777 /sys/class/gpio_sw/PC0/data
	chmod 777 /sys/class/gpio_sw/PD0/data
	chmod 777 /sys/class/gpio_sw/PC2/data
	chmod 777 /sys/class/gpio_sw/PC3/data
	chmod 777 /sys/class/gpio_sw/PB7/data
	chmod 777 /sys/class/gpio_sw/PL9/data
	chmod 777 /sys/class/gpio_sw/PL7/data
	chmod 777 /sys/class/gpio_sw/PL8/data
        chmod 777 /sys/class/gpio_sw/PE14/data
        chmod 777 /sys/class/gpio_sw/PE15/data


	# csi module
    insmod /system/vendor/modules/videobuf2-core.ko
    insmod /system/vendor/modules/videobuf2-memops.ko
    insmod /system/vendor/modules/videobuf2-dma-contig.ko
    insmod /system/vendor/modules/vfe_io.ko
    insmod /system/vendor/modules/actuator.ko
    insmod /system/vendor/modules/dw9714_act.ko
    insmod /system/vendor/modules/ov5640.ko
    insmod /system/vendor/modules/vfe_v4l2.ko

    #Justin Porting End