configs/imx28evk: bump U-Boot and kernel versions

Bump U-Boot to 2024.04 and kernel to 6.6.26 versions.

The Kernel DTS name is also updated, to follow
the reorganization in [1], first included in v6.5.

Fixes: [2]

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=724ba6751532055db75992fc6ae21c3e322e94a7
[2] https://gitlab.com/buildroot.org/buildroot/-/jobs/6544501164

Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
1 file changed