llama.cpp b9963 fixes DeepSeek-OCR v1 multi-tile tiling
Build b9963 lands proper multi-tile support for DeepSeek-OCR v1 with dynamic resolution, and unifies the image preprocessor for both v1 and v2. Multi-column documents now handled correctly.
llama.cpp adds an initial ExecuTorch backend for edge and on-device deployment
Build b9951 of llama.cpp drops an initial ExecuTorch backend, planting a flag for GGUF-format models on PyTorch's on-device inference stack and the edge hardware it targets.