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/themes/blackbird/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, gtk-engine-murrine }:
+
+stdenv.mkDerivation rec {
+  pname = "Blackbird";
+  version = "2017-12-13";
+
+  src = fetchFromGitHub {
+    repo = pname;
+    owner = "shimmerproject";
+    rev = "a1c5674c0ec38b4cc8ba41d2c0e6187987ae7eb4";
+    sha256 = "0xskcw36ci2ykra5gir5pkrawh2qkcv18p4fp2kxivssbd20d4jw";
+  };
+
+  nativeBuildInputs = [ autoreconfHook ];
+
+  propagatedUserEnvPkgs = [ gtk-engine-murrine ];
+
+  meta = {
+    description = "Dark Desktop Suite for Gtk, Xfce and Metacity";
+    homepage = "https://github.com/shimmerproject/Blackbird";
+    license = with lib.licenses; [ gpl2Plus cc-by-nc-sa-30 ];
+    platforms = lib.platforms.linux;
+    maintainers = [ lib.maintainers.romildo ];
+  };
+}