This commit adds an imx8-bootloader-prepare.sh script that will be
used by i.MX8 platforms to prepare their bootloader image.
Signed-off-by: Erik Larsson <karl.erik.larsson@gmail.com>
Signed-off-by: Christopher Dahlberg <crille.dahlberg@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>