* hex-bufs: add support for alloc_buffer_n
* hex-bufs: add support for splitting large tensors into separate buffers
* hex-bufs: update GGML_HEXAGON_MBUF to accept three values dyn,static,total
* hex-bufs: bump dyn. default to 512MB since 128MB causes perf regressions with big MOEs
* hex-run: add --no-embd-offload option to simplify command lines on devices that need it
* Update scripts/snapdragon/run.py
Co-authored-by: Jhen-Jie Hong <iainst0409@gmail.com>
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Co-authored-by: Jhen-Jie Hong <iainst0409@gmail.com>