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/tools/misc/cloc/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchFromGitHub, makeWrapper, perlPackages }:
+
+stdenv.mkDerivation rec {
+  pname = "cloc";
+  version = "1.92";
+
+  src = fetchFromGitHub {
+    owner = "AlDanial";
+    repo = "cloc";
+    rev = "v${version}";
+    sha256 = if stdenv.isDarwin then
+      "1hy1hskiw02b7xaxn2qz0v7znj14l49w1anx20z6rkcps7212l5l"
+    else
+      "sha256-tFARxNGXzWw+EN2qwBOhJEj7zwYfC9tVP0sAHqeGwcM=";
+  };
+
+  setSourceRoot = ''
+    sourceRoot=$(echo */Unix)
+  '';
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = with perlPackages; [
+    perl
+    AlgorithmDiff
+    ParallelForkManager
+    RegexpCommon
+  ];
+
+  makeFlags = [ "prefix=" "DESTDIR=$(out)" "INSTALL=install" ];
+
+  postFixup = "wrapProgram $out/bin/cloc --prefix PERL5LIB : $PERL5LIB";
+
+  meta = {
+    description = "A program that counts lines of source code";
+    homepage = "https://github.com/AlDanial/cloc";
+    license = lib.licenses.gpl2;
+    platforms = lib.platforms.all;
+    maintainers = with lib.maintainers; [ rycee ];
+  };
+}