Use compression on output file to save space
We could make that a option to the user ...
IMAGE_CLASSES += "${@bb.utils.contains('DISTRO_FEATURES', 'sota', 'image_types_uboot sdcard_image-rpi-ota', '', d)}"
-IMAGE_FSTYPES += "${@bb.utils.contains('DISTRO_FEATURES', 'sota', 'rpi-sdimg-ota', 'rpi-sdimg', d)}"
+IMAGE_FSTYPES += "${@bb.utils.contains('DISTRO_FEATURES', 'sota', 'rpi-sdimg-ota.xz', 'rpi-sdimg.xz', d)}"
IMAGE_FSTYPES_remove = "${@bb.utils.contains('DISTRO_FEATURES', 'sota', 'wic rpi-sdimg', '', d)}"
