rk3128 android4.4找不到内部存储空间

修改如下：

device/rockchip/rk312x

diff --git a/fstab.rk30board.bootmode.emmc b/fstab.rk30board.bootmode.emmc
index 4b04d83..276b77b 100755
--- a/fstab.rk30board.bootmode.emmc
+++ b/fstab.rk30board.bootmode.emmc
@@ -8,10 +8,10 @@
 /dev/block/platform/1021c000.rksdmmc/by-name/userdata       /data               ext4      noatime,nodiratime,nosuid,nodev,noauto_da_alloc,discard          wait,encr
 # /dev/block/platform/1021c000.rksdmmc/by-name/radical_update /radical_update     ext4      noatime,nodiratime,nosuid,nodev,noauto_da_alloc,discard          wait
 
-/devices/1021c000.rksdmmc/mmc_host/mmc          /mnt/internal_sd     vfat      defaults        voldmanaged=internal_sd:14,noemulatedsd
+/devices/1021c000.rksdmmc/mmc_host/mmc          /mnt/internal_sd     vfat      defaults        voldmanaged=internal_sd:13,noemulatedsd
 /devices/10214000.rksdmmc/mmc_host/mmc          /mnt/external_sd     vfat      defaults        voldmanaged=external_sd:auto
 # Vold does not support multi device path yet
 # /devices/101e0000.usb                           /mnt/usb_storage     vfat      defaults        voldmanaged=usb_storage:auto
-# /devices/10180000.usb                           /mnt/usb_storage     vfat      defaults        voldmanaged=usb_storage:auto
+/devices/10180000.usb                           /mnt/usb_storage2     vfat      defaults        voldmanaged=usb_storage2:auto
 /devices/101c0000.usb                           /mnt/usb_storage     vfat      defaults        voldmanaged=usb_storage:auto
 /dev/block/zram0                               none                  swap     defaults        zramsize=67108864

device/rockchip/rksdk

diff --git a/init.rk30board.rc b/init.rk30board.rc
index 342e034..2a045a1 100755
--- a/init.rk30board.rc
+++ b/init.rk30board.rc
@@ -8,6 +8,8 @@ on early-init
     mkdir /mnt/external_sd 0000 system system
     export THIRD_VOLUME_STORAGE /mnt/usb_storage
     mkdir /mnt/usb_storage 0000 system system
+    export THIRD_VOLUME_STORAGE /mnt/usb_storage2
+    mkdir /mnt/usb_storage2 0000 system system
 
 on post-fs
     insmod /system/lib/modules/ump.ko