• More U-Boot customization (low-level C programming :D);
• Make firmware package for an alternative, but similar model (i.MX91);
• Make networking work on i.MX93 with mainline kernel & Buildroot!
• Cross-compile Buildroot packages from source;

No new lectures today ;) some demos, maybe!

But if you haven't already, check out the first two: 1, 2.