Add redfish delete dump part of the code update clean up

Change-Id: I7e7f8fc2627b0a28e4343e4092a43d293ce08019
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/extended/redfish_bmc_code_update.robot b/redfish/extended/redfish_bmc_code_update.robot
index 25db16a..901d8ee 100644
--- a/redfish/extended/redfish_bmc_code_update.robot
+++ b/redfish/extended/redfish_bmc_code_update.robot
@@ -87,6 +87,7 @@
     Redfish.Login
     # Delete BMC dump and Error logs.
     Run Keyword And Ignore Error  Delete All BMC Dump
+    Run Keyword And Ignore Error  Redfish Delete All BMC Dumps
     Run Keyword And Ignore Error  Redfish Purge Event Log
     # Checking for file existence.
     Valid File Path  IMAGE_FILE_PATH