llama : support IBM Granite architecture (#9412)

llama : support IBM Granite architecture (#9412)

* feat(gguf-py): Add Granite model and params to gguf-py

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
* feat(convert_hf_to_gguf): Add registration and param setup for Granite

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
* feat(llama.cpp): Add config parsing for Granite multiplier params

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
* feat(llama.cpp): First pass at full port of granite deviations from llama

Something is still not working right since the results are mostly terrible,
but on occasion it's producing relevant results at this point, so
_something_ is working.

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
* fix(llama.cpp): Determine granite language 3b instruct by vocab size

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
* fix(convert_hf_to_gguf): Use LlamaModel as base for GraniteModel

The defaults in LlamaModel are needed for Granite as well

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
* fix(llama.cpp): Switch Granite param names to use _scale for consistency

Other scalar multipliers are called *_scale, so this provides a more
consistent naming convention.

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
* fix(convert_hf_to_gguf/gguf-py): _multiplier -> _scale

The transformers names with _multiplier will now be converted to the _scale
equivalent during conversion.

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
* fix(llama.cpp): Use separate switch clause for granite in llm_load_hparams

Branch: GraniteLM

Signed-off-by: Gabe Goodhart <redacted>
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Signed-off-by: Gabe Goodhart <redacted>