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/data/icons/elementary-xfce-icon-theme/default.nix

@@ -0,0 +1,47 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, gdk-pixbuf, optipng, librsvg, gtk3, pantheon, gnome, gnome-icon-theme, hicolor-icon-theme }:
+
+stdenv.mkDerivation rec {
+  pname = "elementary-xfce-icon-theme";
+  version = "0.16";
+
+  src = fetchFromGitHub {
+    owner = "shimmerproject";
+    repo = "elementary-xfce";
+    rev = "v${version}";
+    sha256 = "sha256-p6HQhYf+rw3obrc6e5lYqC02i4dK+5eXGwnTJj0+D+k=";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+    gdk-pixbuf
+    librsvg
+    optipng
+    gtk3
+  ];
+
+  propagatedBuildInputs = [
+    pantheon.elementary-icon-theme
+    gnome.adwaita-icon-theme
+    gnome-icon-theme
+    hicolor-icon-theme
+  ];
+
+  dontDropIconThemeCache = true;
+
+  postPatch = ''
+    substituteInPlace svgtopng/Makefile --replace "-O0" "-O"
+  '';
+
+  postInstall = ''
+    make icon-caches
+  '';
+
+  meta = with lib; {
+    description = "Elementary icons for Xfce and other GTK desktops like GNOME";
+    homepage = "https://github.com/shimmerproject/elementary-xfce";
+    license = licenses.gpl2;
+    # darwin cannot deal with file names differing only in case
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ ] ++ teams.xfce.members;
+  };
+}