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/setroot/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchFromGitHub, libX11, imlib2, pkg-config, fetchpatch
+, enableXinerama ? true, libXinerama
+}:
+
+stdenv.mkDerivation rec {
+  version = "2.0.2";
+  pname = "setroot";
+
+  src = fetchFromGitHub {
+    owner = "ttzhou";
+    repo = "setroot";
+    rev = "v${version}";
+    sha256 = "0w95828v0splk7bj5kfacp4pq6wxpyamvyjmahyvn5hc3ycq21mq";
+  };
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/ttzhou/setroot/commit/d8ff8edd7d7594d276d741186bf9ccf0bce30277.patch";
+      sha256 = "sha256-e0iMSpiOmTOpQnp599fjH2UCPU4Oq1VKXcVypVoR9hw=";
+    })
+  ];
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ libX11 imlib2 ]
+    ++ lib.optionals enableXinerama [ libXinerama ];
+
+  buildFlags = [ (if enableXinerama then "xinerama=1" else "xinerama=0") ] ;
+
+  installFlags = [ "PREFIX=$(out)" ];
+
+  meta = with lib; {
+    description = "Simple X background setter inspired by imlibsetroot and feh";
+    homepage = "https://github.com/ttzhou/setroot";
+    license = licenses.gpl3Plus;
+    maintainers = [ maintainers.vyp ];
+    platforms = platforms.unix;
+  };
+}