Revert "[TEMPHAX] board-jf: stop panicing"

This reverts commit e21bdeee3daeef98b8ab75b7780bda2fdd51cde7.
Revert "[TEMP] jf-display: disable splash"

This reverts commit 1711187228f66acd5ef029f37ff640bcf09b4d81.
mdp: bring in jf's splash screen shit

moar hax