Merge pull request #19632 from l-bat:lb/ie_arm_target

Added OpenVINO ARM target

* Added IE ARM target

* Added OpenVINO ARM target

* Delete ARM target

* Detect ARM platform

* Changed device name in ArmPlugin

* Change ARM detection

modules/dnn/include/opencv2/dnn/utils/inference_engine.hpp

@@ -49,6 +49,8 @@ CV_EXPORTS_W void resetMyriadDevice();
 #define CV_DNN_INFERENCE_ENGINE_VPU_TYPE_MYRIAD_2 "Myriad2"
 /// Intel(R) Neural Compute Stick 2, NCS2 (USB 03e7:2485), MyriadX (https://software.intel.com/ru-ru/neural-compute-stick)
 #define CV_DNN_INFERENCE_ENGINE_VPU_TYPE_MYRIAD_X "MyriadX"
+#define CV_DNN_INFERENCE_ENGINE_CPU_TYPE_ARM_COMPUTE "ARM_COMPUTE"
+#define CV_DNN_INFERENCE_ENGINE_CPU_TYPE_X86         "X86"
 
 
 /** @brief Returns Inference Engine VPU type.
@@ -57,6 +59,11 @@ CV_EXPORTS_W void resetMyriadDevice();
  */
 CV_EXPORTS_W cv::String getInferenceEngineVPUType();
 
+/** @brief Returns Inference Engine CPU type.
+ *
+ * Specify OpenVINO plugin: CPU or ARM.
+ */
+CV_EXPORTS_W cv::String getInferenceEngineCPUType();
 
 CV__DNN_EXPERIMENTAL_NS_END
 }} // namespace