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/iconpack-obsidian/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchFromGitHub, gtk3, gnome-icon-theme, mint-x-icons, hicolor-icon-theme }:
+
+stdenv.mkDerivation rec {
+  pname = "iconpack-obsidian";
+  version = "4.15";
+
+  src = fetchFromGitHub {
+    owner = "madmaxms";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1f32isq1xyn9b6p1nx5rssqgg9gw0jp9ld19860xk29fspmlfb8n";
+  };
+
+  nativeBuildInputs = [ gtk3 ];
+
+  propagatedBuildInputs = [ gnome-icon-theme mint-x-icons hicolor-icon-theme ];
+  # still missing parent themes: Ambiant-MATE, Faenza-Dark, KFaenza
+
+  dontDropIconThemeCache = true;
+
+  installPhase = ''
+    mkdir -p $out/share/icons
+    mv Obsidian* $out/share/icons
+
+    for theme in $out/share/icons/*; do
+      gtk-update-icon-cache $theme
+    done
+  '';
+
+  meta = with lib; {
+    description = "Gnome icon pack based upon Faenza";
+    homepage = "https://github.com/madmaxms/iconpack-obsidian";
+    license = licenses.gpl3Only;
+    # darwin cannot deal with file names differing only in case
+    platforms = platforms.linux;
+    maintainers = [ maintainers.romildo ];
+  };
+}