small fix for initialization of device memory from host directly (#890)

Author: shssf

dpnp/backend/src/memory_sycl.cpp

@@ -68,10 +68,13 @@ char* dpnp_memory_alloc_c(size_t size_in_bytes)
         }
 
 #if not defined(NDEBUG)
+        if (memory_type != cl::sycl::usm::alloc::device)
+        {
         for (size_t i = 0; i < size_in_bytes / sizeof(char); ++i)
         {
             array[i] = 0; // type dependant is better. set double(42.42) instead zero
         }
+        }
         // std::cout << ") -> ptr=" << (void*)array << std::endl;
 #endif
     }