This sets up a backing device, creates a FAT file system, then opens a file as a loopback device and runs the disk_access tests on that. Signed-off-by: Armin Brauns <armin.brauns@embedded-solutions.at>
Adds native_posix overlay and modifies code to allow testing flash-disk access. Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>