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/development/libraries/webkit2-sharp/default.nix

@@ -0,0 +1,49 @@
+{
+  stdenv,
+  autoreconfHook,
+  fetchFromGitHub,
+  gtk-sharp-3_0,
+  lib,
+  libxslt,
+  mono,
+  pkg-config,
+  webkitgtk,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "webkit2-sharp";
+  version = "a59fd76dd730432c76b12ee6347ea66567107ab9";
+
+  src = fetchFromGitHub {
+    owner = "hbons";
+    repo = "webkit2-sharp";
+    rev = version;
+    sha256 = "sha256:0a7vx81zvzn2wq4q2mqrxvlps1mqk28lm1gpfndqryxm4iiw28vc";
+  };
+
+  nativeBuildInputs = [
+    autoreconfHook
+    libxslt
+    mono
+    pkg-config
+  ];
+
+  buildInputs = [
+    gtk-sharp-3_0
+    webkitgtk
+  ];
+
+  ac_cv_path_MONODOCER = "no";
+  installFlagsArray = ["GAPIXMLDIR=/tmp/gapixml"];
+
+  passthru = {
+    inherit webkitgtk;
+  };
+
+  meta = {
+    description = "C# bindings for WebKit 2 with GTK+ 3";
+    homepage = "https://github.com/hbons/webkit2-sharp";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ kevincox ];
+  };
+}