config: add fallback to patch order

Add the possibility to fallback to either bundled or local patches
if local or bundled are missing.

scripts/functions

@@ -630,6 +630,9 @@ CT_Patch() {
                     CT_DoExecLog ALL patch -g0 -F1 -p1 -f <"${p}"
                 fi
             done
+            if [ "${CT_PATCH_SINGLE}" = "y" ]; then
+                break
+            fi
         fi
     done