Move the Domain IDs from `nrf54h20.dtsi` into its own header file.
Additionally, include another header with Owner IDs.
Signed-off-by: Grzegorz Swiderski <grzegorz.swiderski@nordicsemi.no>
Add definition of the nRF54H20 SoC with its Application, Radio,
and Peripheral Processor (PPR) cores and an initial set of
peripherals.
Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>
