message: allow use of short name for HIP backends in libCEED
diff: @@ -453,7 +453,8 @@ static void CeedDeviceSetup(const char* ceed_spec)
  CeedInit(ceed_spec, &internal::ceed);
  const char *ceed_backend;
  CeedGetResource(internal::ceed, &ceed_backend);
  - if (strcmp(ceed_spec, ceed_backend) && strcmp(ceed_spec, "/cpu/self"))
  + if (strcmp(ceed_spec, ceed_backend) && strcmp(ceed_spec, "/cpu/self") &&
  + strcmp(ceed_spec, "/gpu/hip"))
  {
  mfem::out << std::endl << "WARNING!!!\n"
  "libCEED is not using the requested backend!!!\n"
  