Add runtime dependency on intel-gpu-ocl-icd-system package

The package is a pseudo-package which creates symbolic link to
${PREFIX}/etc/OpenCL/vendors to /etc/OpenCL/vendors/intel.icd
which load implementation library for Intel OpenCL GPU devices.

Availability of this device is required by oneMKL, and hence this
is added to dpnp, rather than to dpctl.

Author: oleksandr-pavlyk

conda-recipe/meta.yaml

@@ -37,6 +37,7 @@ requirements:
       - {{ pin_compatible('onemkl-sycl-stats', min_pin='x.x', max_pin='x') }}
       - {{ pin_compatible('onemkl-sycl-vm', min_pin='x.x', max_pin='x') }}
       - numpy
+      - intel-gpu-ocl-icd-system
 
 build:
     number: {{ GIT_DESCRIBE_NUMBER }}