message: add alias cusp_coo/csr is generic from CUDA 11
diff: @@ -194,6 +194,10 @@ const std::map<std::string, std::function<std::unique_ptr<gko::LinOp>(
  {"cusp_hybrid", read_matrix_from_data<cusp_hybrid>},
  {"cusp_coo", read_matrix_from_data<cusp_coo>},
  {"cusp_ell", read_matrix_from_data<cusp_ell>},
  +#else
  + // cusp_csr, cusp_coo use the generic ones from CUDA 11
  + {"cusp_csr", read_matrix_from_data<cusp_gcsr>},
  + {"cusp_coo", read_matrix_from_data<cusp_gcoo>},
  #endif
  {"cusp_csrex", read_matrix_from_data<cusp_csrex>},
  #if defined(CUDA_VERSION) && (CUDA_VERSION >= 10010) && \
  