imx6ullguf: Remove u-boot recipes and config for Nallino, not used anymore
We switched to fngboot for Nallino, so we don't need the u-boot receipes anymore. The imx8 derivates are using u-boot-imx with other recipes.
Hi all, Gitlab will be set in maintenance mode on Friday 29/11/2024 from 08:45 AM CET with the intention of finishing by the 10:45 PM CET of Friday 29/11/2024
We switched to fngboot for Nallino, so we don't need the u-boot receipes anymore. The imx8 derivates are using u-boot-imx with other recipes.