Hello I want to be able to run u-boot from 16 MB SPI flash (https://www.friendlyelec.com/index.php?route=product/product&product_id=307) attached to eMMC slot (https://wiki.friendlyelec.com/wiki/index.php/File:NanoPi_M6_Layout.jpg) Im using mainline u-boot (with factory/friendlyelec kernel) and ...