HK1 RBOX X4/X4S

The HK1 RBOX X4/X4S requires a script to be run during startup.

if [ "$(fdtget -t s /flash/dtb.img /soc/apb4@fe000000/i2c@6c000 status)" == "okay" ]; then
   mount -o remount,rw /flash
   fdtput -t s /flash/dtb.img /soc/apb4@fe000000/i2c@6c000 status disabled
   sync
   mount -o remount,ro /flash
fi