Add option to skip code update if image is already on the BMC

Resolves openbmc/openbmc-test-automation#1008

Change-Id: I87764de485bb9d78918b8f44b486a175a34dea55
Signed-off-by: Charles Paul Hofer <Charles.Hofer@ibm.com>
diff --git a/tools/generate_argumentfile.sh b/tools/generate_argumentfile.sh
index 8fd4cea..81ac987 100755
--- a/tools/generate_argumentfile.sh
+++ b/tools/generate_argumentfile.sh
@@ -30,6 +30,7 @@
 echo "--variable PNOR_IMAGE_FILE_PATH:$PNOR_IMAGE_FILE_PATH" >> $ARG_FILE
 echo "--variable BMC_IMAGE_FILE_PATH:$BMC_IMAGE_FILE_PATH" >> $ARG_FILE
 echo "--variable BAD_IMAGES_DIR_PATH:$BAD_IMAGES_DIR_PATH" >> $ARG_FILE
+echo "--variable SKIP_UPDATE_IF_ACTIVE:$SKIP_UPDATE_IF_ACTIVE" >> $ARG_FILE
 echo "--variable DELETE_OLD_PNOR_IMAGES:$DELETE_OLD_PNOR_IMAGES" >> $ARG_FILE
 echo "--variable DELETE_OLD_GUARD_FILE:$DELETE_OLD_GUARD_FILE" >> $ARG_FILE
 echo "--variable LAST_KNOWN_GOOD_VERSION:$LAST_KNOWN_GOOD_VERSION" >> $ARG_FILE