librem5-evk: Use reworked panel, mixel and nwl drivers

Signed-off-by: Guido Günther <guido.gunther@puri.sm>
2 jobs for imx8-4.18-wip-nwl-dsi-rework
in 35 minutes and 6 seconds, using 0.0 compute credits, and was queued for 1 second