hexagon: support for op-trace (fine-grain tracing of HVX/HMX/DMA events) (llama/24592)

hexagon: support for op-trace (fine-grain tracing of HVX/HMX/DMA events) (llama/24592)

* hex-optrace: add support for optrace and instrument matmul and flash-atten code

* hex-trace: improve trace event and prefetto generator

* hex-trace: add new script dedicated to handling traces, specifically perfetto traces

* hex-trace: add --head/--tail options to profile and trace tools

* hex-trace: fix whitespaces

* hex-trace: fix flake8 warnings

* hex-trace: fix flake8 warnings

* hmx-fa: restore q_tiles clearing

* hex-profile: remove circular dep in includes

* hex-trace: simplify trace sizing check

* hex-profile: sort events in the summary by name