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/applications/misc/xrandr-invert-colors/default.nix

@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchFromGitHub, libXrandr}:
+
+stdenv.mkDerivation rec {
+  pname = "xrandr-invert-colors";
+  version = "0.02";
+
+  src = fetchFromGitHub {
+    owner = "zoltanp";
+    repo = "xrandr-invert-colors";
+    rev = "v${version}";
+    sha256 = "sha256-MIbHNJFDQsvjPUbperTKKbHY5GSgItvRyV5OsfpzYT4=";
+  };
+
+  buildInputs = [ libXrandr ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv xrandr-invert-colors.bin xrandr-invert-colors
+    install xrandr-invert-colors $out/bin
+  '';
+
+  meta = with lib; {
+    description = "Inverts the colors of your screen";
+    license = lib.licenses.gpl3Plus;
+    homepage = "https://github.com/zoltanp/xrandr-invert-colors";
+    maintainers = [lib.maintainers.magnetophon ];
+    platforms = platforms.linux;
+  };
+}