build: sycl: fix filtering of cpu examples

Author: densamoilov

examples/CMakeLists.txt

@@ -54,7 +54,8 @@ endforeach()
 # In case of SYCL, skip CPU examples that directly work with raw pointers
 if(DNNL_CPU_SYCL)
     foreach(f ${sources})
-        if(${f} MATCHES "cpu_")
+        get_filename_component(fname ${f} NAME)
+        if(${fname} MATCHES "cpu_")
             list(REMOVE_ITEM sources "${f}")
         endif()
     endforeach()