[DOCS] Enabling GPU for inference on systems with conda-forge (openvinotoolkit#24390)

Adding instructions for installation of `opencl-icd-system` package
which enables users to select a GPU device for OpenVINO inference.

Author: sgolebiewski-intel

docs/articles_en/get-started/install-openvino/install-openvino-conda.rst

@@ -94,6 +94,18 @@ To reactivate your Conda environment, execute the following command:
 Once you have reactivated your Conda environment, make sure that all the necessary environment
 variables are properly set and proceed with linking the OpenVINO libraries.
 
+Enabling GPU device for inference
++++++++++++++++++++++++++++++++++
+
+To use a GPU device for OpenVINO inference on Linux, you must install OpenCL ICD:
+
+.. code-block:: sh
+
+   conda install ocl-icd-system
+
+This step is not required on Windows, as Intel® Graphics Compute Runtime for
+OpenCL™ Driver is included with the Intel® Graphics Driver package.
+
 
 Uninstalling OpenVINO™ Runtime
 ###########################################################
@@ -105,8 +117,6 @@ with the proper OpenVINO version number:
 
    conda remove openvino=2024.1.0
 
-
-
 What's Next?
 ############################################################
 
@@ -124,6 +134,3 @@ Visit the :doc:`Samples <../../../learn-openvino/openvino-samples>` page for oth
 * :doc:`Basic object detection with the Hello Reshape SSD C++ sample <../../../learn-openvino/openvino-samples/hello-reshape-ssd>`
 * :doc:`Object classification sample <../../../learn-openvino/openvino-samples/hello-classification>`
 
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