Integrate u-boot-seco-imx/seco_lf_v2021.04-gm_d18_spl
[D18] fix SPL boot from eMMC
- fix the address to load U-Boot from, that was set incorrectly in case of boot from eMMC
- add the defconfig options for the eMMC to SPL
Hi all, Please be informed that the GitLab instance will undergo a scheduled upgrade on Friday, 19th September 2025. As a result, the instance will be in maintenance from 2:00 PM to 6:00 PM CEST. All runner jobs will be terminated before the upgrade starts. We appreciate your understanding and will do our best to complete the upgrade within the scheduled window.
Thank you,
[D18] fix SPL boot from eMMC