whisper : add OpenVINO support (#1037)
* openvino: use OpenVINO encoder inference
* openvino: add python script for OpenVINO model generation
* whisper: Fix 'unused' warnings when OpenVINO isn't enabled in build
* Apply suggestions from code review
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
* whisper: Fix compilation error
* whisper: revert whisper_get_openvino_path_encoder & whisper_get_openvino_path_cache to non-const func signatures
* cmake: Add openvino-encoder as separate object target
* whisper : minor style fixes
* minor : indentation fixes
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Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
