board: arm64: Add suport for ROC-RK3588 #94288
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Add initial support for the ROC-RK3588 AArch64 board.
It features a quad-core Cortex-A55 CPU based on the ARMv8.2 architecture.
This commit also enables SMP, allowing all four cores to run the synchronization sample.
In future, we will add support for the AArch32-mode zephyr on RK3588. Zephyr will run as an aarch32 guest vm on the aarch64 hypervisor.