bootscript-uboot/boot.scr.cfg: check if boot logo addr is set
When logo_addr is not set, use the hardcoded address to avoid fatload error.
This fixes the problem found during testing: seco-ne/tools/yocto-install!43 (comment 254855)
When logo_addr is not set, use the hardcoded address to avoid fatload error.
This fixes the problem found during testing: seco-ne/tools/yocto-install!43 (comment 254855)