[BugFix] CMake dependency

apps/benchmarks/PhaseFieldAllenCahn/CMakeLists.txt

 waLBerla_link_files_to_builddir(*.prm)
 waLBerla_link_files_to_builddir(*.py)
 
-waLBerla_generate_target_from_python(NAME BenchmarkPhaseFieldCodeGenGPU
+waLBerla_generate_target_from_python(NAME BenchmarkPhaseFieldCodeGen
         FILE multiphase_codegen.py
         OUT_FILES initialize_phase_field_distributions.${CODEGEN_FILE_SUFFIX} initialize_phase_field_distributions.h
         initialize_velocity_based_distributions.${CODEGEN_FILE_SUFFIX} initialize_velocity_based_distributions.h
@@ -15,10 +15,10 @@ waLBerla_generate_target_from_python(NAME BenchmarkPhaseFieldCodeGenGPU
 if (WALBERLA_BUILD_WITH_CUDA)
     waLBerla_add_executable(NAME benchmark_multiphase
             FILES benchmark_multiphase.cpp InitializerFunctions.cpp multiphase_codegen.py
-            DEPENDS blockforest core cuda field postprocessing python_coupling lbm geometry timeloop gui BenchmarkPhaseFieldCodeGenGPU)
+            DEPENDS blockforest core cuda field postprocessing python_coupling lbm geometry timeloop gui BenchmarkPhaseFieldCodeGen)
 else ()
     waLBerla_add_executable(NAME benchmark_multiphase
             FILES benchmark_multiphase.cpp InitializerFunctions.cpp multiphase_codegen.py
-            DEPENDS blockforest core field postprocessing python_coupling lbm geometry timeloop gui BenchmarkPhaseFieldCodeGenCPU)
+            DEPENDS blockforest core field postprocessing python_coupling lbm geometry timeloop gui BenchmarkPhaseFieldCodeGen)
 endif (WALBERLA_BUILD_WITH_CUDA)