build of Kokkos_Sparse_MV_impl_spmv_Serial.cpp.o fails if you use nvcc and have cuda disabled

Created by: bathmatt

If I don't configure with cuda but still have OMPI_CXX=nvcc_wrapper I get the following. This is on hansen

[ 66%] Building CXX object packages/tpetra/kernels/src/CMakeFiles/tpetrakernels.dir/impl/Kokkos_Sparse_MV_impl_spmv_Serial.cpp.o /home/mbetten/Trilinos/Trilinos/packages/tpetra/kernels/src/impl/Kokkos_Sparse_impl_spmv.hpp(885): error: namespace "Kokkos" has no member "shfl_down"