Improved logic to threat unknown 1-wire device (some PnP)

artnet disabled by default for due since some execution blocking in
artnet->read()

check_custom_build_flags_due-5500.sh

@@ -1,6 +1,6 @@
 #! /bin/bash
 export FLAGS="$FLAGS -DWiz5500"
-export FLAGS="$FLAGS -DARTNET_ENABLE"
+#export FLAGS="$FLAGS -DARTNET_ENABLE"
 CUSTOM_BUILD_FLAGS_FILE=custom-build-flags/build_flags_due-5500.sh
 if [ -f $CUSTOM_BUILD_FLAGS_FILE ]; then
     source $CUSTOM_BUILD_FLAGS_FILE