MLECO-6898: Add optional Streamline support to LLM pipeline
- Add Streamline annotate integration via ENABLE_STREAMLINE configuration option
- Integrate Arm Gator Streamline annotate library behind ENABLE_STREAMLINE
- Introduce a StreamlineLlm annotation helper for the LLM pipeline
- Annotate init/encode/decode/control phases in Llm.cpp
Change-Id: Id0f9b155c642f49d3e698b71d0150b1e09a97646 Signed-off-by: Yunus Kalkan yunus.kalkan@arm.com