Set a worse case scenario of creating a 4k blank WOF data file
for when the WOF input is not supplied

Signed-off-by: chenduibm <duchen@us.ibm.com>
diff --git a/openpower/package/everest-xml/everest-xml.mk b/openpower/package/everest-xml/everest-xml.mk
index cc05abd..67b4fae 100644
--- a/openpower/package/everest-xml/everest-xml.mk
+++ b/openpower/package/everest-xml/everest-xml.mk
@@ -133,6 +133,8 @@
             cd $(EVEREST_XML_MRW_SCRATCH)/$(WOF_SETS_DIR) && tar -xzvf $(EVEREST_XML_MRW_SCRATCH)/$(WOF_SETS_TAR); \
             cd $(EVEREST_XML_MRW_SCRATCH)/$(WOF_SETS_DIR)/WofSetBins && ls | grep -i "\.bin" > $(WOF_BIN_OVERRIDE_LIST); \
 	    cd $(EVEREST_XML_MRW_SCRATCH)/$(WOF_SETS_DIR)/WofSetBins && $(EVEREST_XML_MRW_HB_TOOLS)/$(WOF_TOOL) --create $(EVEREST_XML_MRW_SCRATCH)/$(WOF_OVERRIDE_BIN) --combine $(EVEREST_XML_MRW_SCRATCH)/$(WOF_SETS_DIR)/WofSetBins/$(WOF_BIN_OVERRIDE_LIST); \
+	else \
+	    cd $(EVEREST_XML_MRW_SCRATCH) && dd if=/dev/zero of=$(WOF_OVERRIDE_BIN) bs=4096 count=1; \
 	fi
 
         # Create the MEMD binary