[OpenVINO-EP] Enable EP config options for VPU hardware (#5119)
* Added config flags for VPU Fast Recompile
* clean-up ifdefs
* Add VPU Fast compile config option
Adds an option that enables Fast compilation of models to VPU
hardware specific format.
* Add config option to choose specific device id for inference
Inference of all subgraphs will be scheduled only on this device
even if other devices of the same type are available.
* Add Python API to list available device IDs
* code cleanup
* Add second C/C++ API with settings string parameter
Adds an additional C/C++ API that allows passing multiple
key-value pairs for settings as a single string. Multiple
settings are delimited by '\n' while the key and value
within a setting are delimited by '|'.
* Append 'Ex' to the extended C/C++ API
* Use set_providers Py API to set config options.
Uses Session.set_providers Python API to set EP runtime config
options as key/val pairs
Deprecated older module function definitions for config settings.
Updates documentation.
* avoid globals for py config options where possible
Co-authored-by: intel <you@example.com>