Add path to dfu-util for intel_arc32 // Issue #535

platformio/builder/scripts/intel_arc32.py

@@ -112,7 +112,8 @@ env.Replace(
     SIZEPRINTCMD='"$SIZETOOL" -B -d $SOURCES',
 
     UPLOADER=join("$PIOPACKAGES_DIR", "tool-arduino101load", "arduino101load"),
-    UPLOADCMD='"$UPLOADER" $BUILD_DIR $SOURCES $UPLOADERFLAGS verbose',
+    DFUUTIL=join("$PIOPACKAGES_DIR", "tool-arduino101load", "dfu-util"),
+    UPLOADCMD='"$UPLOADER" $DFUUTIL $SOURCES $UPLOADERFLAGS verbose',
 
     PROGNAME="firmware",
     PROGSUFFIX=".elf"