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/os-specific/linux/guvcview/default.nix

@@ -0,0 +1,78 @@
+{ config
+, lib, stdenv
+, fetchurl
+, intltool
+, pkg-config
+, portaudio
+, SDL2
+, ffmpeg
+, udev
+, libusb1
+, libv4l
+, alsa-lib
+, gsl
+, libpng
+, sfml
+, pulseaudioSupport ? config.pulseaudio or stdenv.isLinux
+, libpulseaudio ? null
+, useQt ? false
+, qtbase ? null
+, wrapQtAppsHook ? null
+# can be turned off if used as a library
+, useGtk ? true
+, gtk3 ? null
+, wrapGAppsHook ? null
+}:
+
+assert pulseaudioSupport -> libpulseaudio != null;
+
+stdenv.mkDerivation rec {
+  version = "2.0.6";
+  pname = "guvcview";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/project/guvcview/source/guvcview-src-${version}.tar.gz";
+    sha256 = "11byyfpkcik7wvf2qic77zjamfr2rhji97dpj1gy2fg1bvpiqf4m";
+  };
+
+  nativeBuildInputs = [
+    intltool
+    pkg-config
+  ]
+    ++ lib.optionals (useGtk) [ wrapGAppsHook ]
+    ++ lib.optionals (useQt) [ wrapQtAppsHook ]
+  ;
+
+  buildInputs = [
+    SDL2
+    alsa-lib
+    ffmpeg
+    libusb1
+    libv4l
+    portaudio
+    udev
+    gsl
+    libpng
+    sfml
+  ]
+    ++ lib.optionals (pulseaudioSupport) [ libpulseaudio ]
+    ++ lib.optionals (useGtk) [ gtk3 ]
+    ++ lib.optionals (useQt) [
+      qtbase
+    ]
+  ;
+  configureFlags = [
+    "--enable-sfml"
+  ]
+    ++ lib.optionals (useGtk) [ "--enable-gtk3" ]
+    ++ lib.optionals (useQt) [ "--enable-qt5" ]
+  ;
+
+  meta = with lib; {
+    description = "A simple interface for devices supported by the linux UVC driver";
+    homepage = "http://guvcview.sourceforge.net";
+    maintainers = [ maintainers.coconnor ];
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+  };
+}