[docs] List of OpenCL drivers updated
The following drivers have been tested on Linux >= CentOS 7.3
+* 21.18.19737: OK ( OpenCL 3.0 )
* 21.17.19709: OK ( OpenCL 3.0 )
* 21.16.19610: OK ( OpenCL 3.0 )
* 21.15.19533: OK ( OpenCL 3.0 )
