toradex: tdx-cfg-block: add Apalis iMX8X support

Add support for storing configuration for Apalis iMX8X SoM
in Toradex config block.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>