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/cxx-prettyprint/default.nix

@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "cxx-prettyprint-unstable";
+  version = "2016-04-30";
+  rev = "9ab26d228f2960f50b38ad37fe0159b7381f7533";
+
+  src = fetchFromGitHub {
+    owner = "louisdx";
+    repo = "cxx-prettyprint";
+    inherit rev;
+    sha256 = "1bp25yw8fb0mi432f72ihfxfj887gi36b36fpv677gawm786l7p1";
+  };
+
+  installPhase = ''
+    mkdir -p "$out/include"
+    cp prettyprint.hpp "$out/include"
+  '';
+
+  meta = with lib; {
+    description    = "Header only C++ library for pretty printing standard containers";
+    homepage       = "https://github.com/louisdx/cxx-prettyprint";
+    license        = lib.licenses.boost;
+    platforms      = platforms.all;
+
+    # This is a header-only library, no point in hydra building it:
+    hydraPlatforms = [];
+  };
+}