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/X11/hsetroot/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv
+, fetchFromGitHub
+, pkg-config
+, imlib2
+, libX11
+, libXinerama
+}:
+
+stdenv.mkDerivation rec {
+  pname = "hsetroot";
+  version = "1.0.5";
+
+  src = fetchFromGitHub {
+    owner = "himdel";
+    repo = "hsetroot";
+    rev = version;
+    sha256 = "1jbk5hlxm48zmjzkaq5946s58rqwg1v1ds2sdyd2ba029hmvr722";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [
+    imlib2
+    libX11
+    libXinerama
+  ];
+
+  postPatch = lib.optionalString (!stdenv.cc.isGNU) ''
+    sed -i -e '/--no-as-needed/d' Makefile
+  '';
+
+  makeFlags = [ "PREFIX=$(out)" ];
+
+  preInstall = ''
+    mkdir -p "$out/bin"
+  '';
+
+  meta = with lib; {
+    description = "Allows you to compose wallpapers ('root pixmaps') for X";
+    homepage = "https://github.com/himdel/hsetroot";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ henrytill shamilton ];
+    platforms = platforms.unix;
+  };
+}