Log Message: properly fix reboots for rk3399 ATF, by pulling in \ https://github.com/ARM-software/arm-trusted-firmware/commit/d52331d01e0efae36e837af90887a8aed33ff604#diff-94a9f1c135591eedd6addbcc729f46fb and removing my hack. switch rk3399 ATF to release builds over debug builds. bump both u-boot-pinebook-pro & arm-trusted-firmware-rk3399.