Tools: add AC_POLYFENCE_CIRCLE_INT_SUPPORT_ENABLED to build_options.py

Author: peterbarker

Tools/autotest/test_build_options.py

@@ -237,6 +237,7 @@ def define_is_whitelisted_for_feature_in_code(self, target, define):
         # the following defines are known not to work on some
         # or all vehicles:
         feature_define_whitelist = set([
+            'AC_POLYFENCE_CIRCLE_INT_SUPPORT_ENABLED',  # no symbol
             'AP_RANGEFINDER_ENABLED',  # only at vehicle level ATM
             'HAL_PERIPH_SUPPORT_LONG_CAN_PRINTF',  # no symbol
             'AP_DRONECAN_VOLZ_FEEDBACK_ENABLED',  # broken, no subscriber

Tools/scripts/build_options.py

@@ -376,6 +376,7 @@ def config_option(self):
     Feature('Other', 'Logging', 'HAL_LOGGING_ENABLED', 'Enable Logging', 0, None),
     Feature('Other', 'CUSTOM_ROTATIONS', 'AP_CUSTOMROTATIONS_ENABLED', 'Enable Custom  sensor rotations', 0, None),
     Feature('Other', 'PID_FILTERING', 'AP_FILTER_ENABLED', 'Enable PID filtering', 0, None),
+    Feature('Other', 'POLYFENCE_CIRCLE_INT_SUPPORT', 'AC_POLYFENCE_CIRCLE_INT_SUPPORT_ENABLED', 'Fence circle compatability', 0, None),  # NOQA:E501
 
     # MAVLink section for mavlink features and/or message handling,
     # rather than for e.g. mavlink-based sensor drivers