SWDEV-362891 - Add the ocltst install path to RUNPATH.

So ocltst can automatically find liboclruntime.so from the same directory as ocltst.

Change-Id: Id2f4f58b1c7f0304be76a3aeecd5eea2eec328de

opencl/tests/ocltst/env/CMakeLists.txt

@@ -39,5 +39,7 @@ target_link_libraries(ocltst
         OpenCL
         )
 
+set_target_properties(ocltst PROPERTIES INSTALL_RPATH "$ORIGIN")
+
 INSTALL(TARGETS ocltst DESTINATION tests/ocltst COMPONENT ocltst)