[Desc]Modify the vendor configuration file path because the product_path

      is changed to an absolute path.

Change-Id: I4688bae0c69c8b4c415f8aa8c137c987786227a3

build.sh

@@ -64,7 +64,7 @@ if [ -f "$destination" ]; then
     rm -rf $destination
 fi
 if [ ! -f "$source" ]; then
-    source="../..$7/config/sys/$config_file"
+    source="$7/config/sys/$config_file"
 fi
 cp $source $destination