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/libmicrodns/default.nix

@@ -0,0 +1,32 @@
+{ lib, stdenv
+, fetchFromGitHub
+, meson
+, ninja
+, pkg-config
+}:
+
+stdenv.mkDerivation rec {
+  version = "0.2.0";
+  pname = "libmicrodns";
+
+  src = fetchFromGitHub {
+    owner = "videolabs";
+    repo = pname;
+    rev = version;
+    sha256 = "05vgka45c1frnv4q7pbz0bggsn5xaykh4xpklh9yb6d6qj7dbx0b";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+  ];
+
+  meta = with lib; {
+    description = "Minimal mDNS resolver library, used by VLC";
+    homepage = "https://github.com/videolabs/libmicrodns";
+    license = licenses.lgpl21;
+    platforms = platforms.unix;
+    maintainers = [ maintainers.shazow ];
+  };
+}