uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/lisp-modules-new/import/util.lisp

@@ -0,0 +1,16 @@
+(defpackage org.lispbuilds.nix/util
+  (:use :cl)
+  (:import-from :ppcre)
+  (:export
+   :replace-regexes))
+
+(in-package org.lispbuilds.nix/util)
+
+(defun replace-regexes (from to str)
+  (assert (= (length from) (length to)))
+  (if (null from)
+      str
+      (replace-regexes
+       (rest from)
+       (rest to)
+       (ppcre:regex-replace-all (first from) str (first to)))))