For the i.MX8 often an Image.gz is built. With these changes, if
BR2_LINUX_KERNEL_IMAGEGZ=y, the correct Image.gz file is now put into
the generated image instead of falling back to the non-existent zImage.
Signed-off-by: Hanspeter Portner <dev@open-music-kontrollers.ch>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>