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/mono-addins/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, mono4, gtk-sharp-2_0 }:
+
+stdenv.mkDerivation rec {
+  pname = "mono-addins";
+  version = "1.3.3";
+
+  src = fetchFromGitHub {
+    owner = "mono";
+    repo = "mono-addins";
+
+    rev = "mono-addins-${version}";
+    sha256 = "018g3bd8afjc39h22h2j5r6ldsdn08ynx7wg889gdvnxg3hrxgl2";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
+
+  # Use msbuild when https://github.com/NixOS/nixpkgs/pull/43680 is merged
+  buildInputs = [ mono4 gtk-sharp-2_0 ];
+
+  dontStrip = true;
+
+  meta = with lib; {
+    homepage = "https://www.mono-project.com/archived/monoaddins/";
+    description = "A generic framework for creating extensible applications";
+    longDescription = ''
+      Mono.Addins is a generic framework for creating extensible applications,
+      and for creating libraries which extend those applications.
+    '';
+    platforms = platforms.linux;
+    license = licenses.mit;
+  };
+}