ENH:support u0 firmware homing

jira:[none]

Change-Id: I9533944c343007897d25929739e5eb175bad6689
(cherry picked from commit 533911e2cd46fadc92bd7d908e81ad51ce14944c)

src/slic3r/GUI/DeviceManager.cpp

@@ -5532,6 +5532,7 @@ void MachineObject::parse_new_info(json print)
         is_support_user_preset = get_flag_bits(fun, 11);
         is_support_nozzle_blob_detection = get_flag_bits(fun, 13);
         is_support_upgrade_kit = get_flag_bits(cfg, 14);
+        is_support_command_homing = get_flag_bits(fun, 32);
     }
 
     /*aux*/