AMD/Xilinx Versal Gen 1 VMK180 wolfBoot support #669
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This PR adds complete wolfBoot support for the AMD Versal Prime XCVM1802 ACAP (VMK180 evaluation kit). The implementation provides cryptographically verified secure boot (ECC384/SHA384) with firmware update capabilities for both bare-metal applications and Linux kernels. Key features include a DMA-accelerated QSPI flash driver (34 MB/s throughput), dual-partition firmware updates with version-based selection, FIT image support for direct Linux kernel boot (replacing U-Boot), and automated testing infrastructure with relay-controlled boot mode switching. The port has been tested with PetaLinux 2024.2 and includes comprehensive documentation in
docs/Targets.md. Boot performance overhead is ~870ms for a 24MB signed Linux image (700ms load + 167ms SHA384 + 3ms ECC384).