message: fix missing find_package for HIP LinOp benchmarks
diff: @@ -25,6 +25,8 @@ function(ginkgo_benchmark_hipsp_linops name)
  target_compile_definitions("${name}" PRIVATE HAS_HIP=1)
  EXECUTE_PROCESS(COMMAND ${HIP_PATH}/bin/hipconfig --cpp_config OUTPUT_VARIABLE HIP_CXX_FLAGS)
  set_target_properties("${name}" PROPERTIES COMPILE_FLAGS ${HIP_CXX_FLAGS})
  + # for some reason, HIP creates a dependency on Threads::Threads here, so we need to find it
  + find_package(Threads REQUIRED)
  find_package(HIP REQUIRED)
  find_package(hipblas REQUIRED)
  find_package(hipsparse REQUIRED)
  