arm: dts: imx8mp: Sync the DT with kernel 6.4-rc4

Several changes have been made to the device tree
in the kernel, so update that as well as the
corresponding imx8mp-u-boot.dtsi files to prevent
breaking the booting.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>