llm : support Adept Persimmon 8B (#3410)
* Produces garbage output
* wip: correct tensors up to RoPE
* correct tensors thru RoPE
* Correct outputs through masked & softmax'd KQ
* fp32 works
* Rename adept->persimmon
* Produces correct outputs
* clean up convert scripts
* remove printing logic from ggml.c
* remove prints from llama.cpp & fix merge
* trivial cleanups
* Add offload funcs
* update conversion script to directly take adept artifacts rather than .saftensors file
* Fix norm eps bug
* Support sqr and concat on metal, persimmon-8b-q4 runs correctly
* Small changes from review
* Formatting changes
* Minor changes to conversion script
* Remove old script
* Fix editorconfig formatting
* Fix build
* add overlooked offload code ggml-ci
