Hi all, I have RevPi Core3 (Compute Module 3). It has 4Gb eMMC. Since it is to little for developing apps I would like to boot from USB drive with raspbian stretch image. I edited /boot/config.txt adding program_usb_boot_mode=1 when I call vcgencmd otp_dump | grep 17: I receive 17:3020000a So I thin...