fix spec

ROCKY/CFG/subscription-manager.cfg

@@ -11,14 +11,14 @@ spec_change {
     name: "ROCKY-use-rocky-syspurposes.patch"
     type: Patch
     add: true
-    add_to_spec: true
+    add_to_prep: true
   }
 
   file {
     name: "subscription-manager-rocky-remove-redhat.repo.patch"
     type: Patch
     add: true
-    add_to_spec: true
+    add_to_prep: true
   }
 
   search_and_replace {