Extend throughput benchmark with device CLI parameter (#20816)

* Extend throughput benchmark CLI parameters

* Added device name as the second CLI parameter with default CPU value

* Update samples/cpp/benchmark/throughput_benchmark/main.cpp

Co-authored-by: Zlobin Vladimir <vladimir.zlobin@intel.com>

* Fix comments to review

* Modified python version
* Modified documentation

* Fix comments to review

* Fixed the comment
* Modified python doc
* Fixed device name handling in python version

* Update main.cpp

* Update throughput_benchmark.py

---------

Co-authored-by: Zlobin Vladimir <vladimir.zlobin@intel.com>

docs/articles_en/learn_openvino/openvino_samples/cpp_sample_throughput_benchmark.md

@@ -75,7 +75,7 @@ Running
 
 .. code-block:: sh
 
-   throughput_benchmark <path_to_model>
+   throughput_benchmark <path_to_model> <device_name>(default: CPU)
 
 
 To run the sample, you need to specify a model:

docs/articles_en/learn_openvino/openvino_samples/python_sample_throughput_benchmark.md

@@ -72,7 +72,7 @@ Running
 
 .. code-block:: sh
 
-   python throughput_benchmark.py <path_to_model>
+   python throughput_benchmark.py <path_to_model> <device_name>(default: CPU)
 
 
 To run the sample, you need to specify a model: