At this moment layerscape images are ext4 only. It causes problem with
save changes durring sysupgrade and make "firstboot" and failsafe mode
useless.
This patch changes sd-card images to squashfs + f2fs combined images.
To make place, for saving config, kernel space ar now ext4 partition
with fit kernel.
This method of image generation is similar to rest of OpenWrt sd-card
targets.
Reviewed-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
[reword README, reword DEVICE_COMPAT_MESSAGE, keep original indent]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
30c0e93b6f