Sync the devicetree files from the official Linux kernel tree, v6.8-rc1.
This time only small changes in the existing files, but five new boards
got added, which opens the door for their respective defconfig files.
As before, this omits the non-backwards compatible changes to the R_INTC
controller, to remain compatible with older kernels.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
