Move tb_common_pkg and tb_common_mem_pkg to synth_files key section, because...

Move tb_common_pkg and tb_common_mem_pkg to synth_files key section, because theseare used in the mmm_<design_name>.vhd

libraries/base/mm/hdllib.cfg

@@ -7,10 +7,10 @@ build_synth_dir = $HDL_BUILD_DIR
 
 synth_files =
     $UNB/Firmware/modules/mm/src/vhdl/mm_fields.vhd
-
-test_bench_files =
     $UNB/Firmware/modules/mm/tb/vhdl/mm_file_pkg.vhd
     $UNB/Firmware/modules/mm/tb/vhdl/mm_file_unb_pkg.vhd
+
+test_bench_files =
     $UNB/Firmware/modules/mm/tb/vhdl/mm_file.vhd
     $UNB/Firmware/modules/mm/tb/vhdl/dummy_reg.vhd
     $UNB/Firmware/modules/mm/tb/vhdl/tb_mm_file.vhd