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/libraries/prison/default.nix

@@ -0,0 +1,21 @@
+{ lib, stdenv, fetchurl, cmake, qrencode, qt4, libdmtx }:
+
+stdenv.mkDerivation rec {
+  pname = "prison";
+  version = "1.0";
+
+  src = fetchurl {
+    url = "mirror://kde/stable/prison/${version}/src/prison-${version}.tar.gz";
+    sha256 = "08hkzzda36jpdywjqlyzcvli7cx17h4l9yffzsdnhdd788n28krr";
+  };
+
+  buildInputs = [ qt4 qrencode libdmtx ];
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = {
+    description = "Qt4 library for QR-codes";
+    license = lib.licenses.mit;
+    inherit (qt4.meta) platforms;
+  };
+}