Currently mx6cubox uses a custom boot.scr.txt script
and custom image generation scripts: genimage.cfg, post-build.sh
and post-image.sh.
Switch to using the more standard extlinux.conf solution
and remove the custom scripts in favor of the standard
board/freescale/common/imx/post-image.sh one.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Francois Perrad <francois.perrad@gadz.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>