Constrain charmpp further

stacks/pinot-noir/definitions_acc_cuda.yaml

@@ -4,7 +4,7 @@ definitions:
   - cuda_serial_codes:
       - cuda
       - cudnn
-      - namd ^fftw ~mpi ^charmpp ~cuda
+      - namd ^fftw ~mpi
       - nccl
 
   - cuda_mpi_codes:

stacks/pinot-noir/packages_acc_cuda.yaml

@@ -16,6 +16,9 @@ packages:
   amber:
     require: ['+nccl']
 
+  charmpp:
+    require: ['+smp', '~cuda']
+
   cuda:
     prefer:
     - spec: "^gcc-runtime@{gcc_version} target={target}"