Add namd with tcl support

tcl is needed for certain types of standard namd inputs, spack chose a non-tcl version last time around

needed to explicitly set namd@3.0.1 interface=tcl in definitions_acc_cuda.yaml to trigger a reconcretization, the requirement in packages*.yaml was not enough

stacks/pinot-noir/definitions_acc_cuda.yaml

@@ -5,6 +5,7 @@ definitions:
       - cuda
       - cudnn
       - namd@3.0.1 ^fftw ~mpi
+      - namd@3.0.1 interface=tcl ^fftw ~mpi
       - nccl
 
   - cuda_mpi_codes: