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/applications/audio/gwc/default.nix

@@ -0,0 +1,47 @@
+{ lib, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, alsa-lib
+, libpulseaudio
+, gtk2
+, hicolor-icon-theme
+, libsndfile
+, fftw
+}:
+
+stdenv.mkDerivation rec {
+  pname = "gwc";
+  version = "0.22-05";
+
+  src = fetchFromGitHub {
+    owner = "AlisterH";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-FHKu5qAyRyMxXdWYTCeAc6Q4J+NOaU1SGgoTbe0PiFE=";
+  };
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    alsa-lib
+    libpulseaudio
+    gtk2
+    hicolor-icon-theme
+    libsndfile
+    fftw
+  ];
+
+  enableParallelBuilding = false; # Fails to generate machine.h in time.
+
+  meta = with lib; {
+    description = "GUI application for removing noise (hiss, pops and clicks) from audio files";
+    homepage = "https://github.com/AlisterH/gwc/";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ magnetophon ];
+    platforms = platforms.linux;
+  };
+}