USB host 權限檔案修改

在vendor/neo/freerunner/init.gta02.rc

on boot底下加入兩行

chmod 0777 /sys/class/i2c-adapter/i2c-0/0-0073/neo1973-pm-host.0/hostmode
chmod 0777 /sys/devices/platform/s3c-ohci/usb_mode