image_builder: add lines

image_builder/image_config.sh

@@ -298,6 +298,7 @@ then echo "" \
   && exit 1
 fi
 
+echo "================================================================================"
 echo "\$#: $#"
 echo "\$1: $1"
 echo "\$2: $2"
@@ -306,6 +307,7 @@ echo "\$4: $4"
 echo "\$5: $5"
 echo "\$6: $6"
 echo "\$7: $7"
+echo "================================================================================"
 
 case "$1" in
   get_image)