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/misc/opencpn/default.nix

@@ -0,0 +1,100 @@
+{ stdenv, lib
+, alsa-utils
+, at-spi2-core
+, cmake
+, curl
+, dbus
+, epoxy
+, fetchFromGitHub
+, flac
+, gtk3
+, jasper
+, libGLU
+, libarchive
+, libdatrie
+, libelf
+, libexif
+, libogg
+, libopus
+, libselinux
+, libsepol
+, libsndfile
+, libthai
+, libunarr
+, libusb
+, libvorbis
+, libxkbcommon
+, lsb-release
+, lz4
+, pcre
+, pkg-config
+, portaudio
+, sqlite
+, tinyxml
+, udev
+, util-linux
+, wxGTK31-gtk3
+, xorg
+}:
+
+stdenv.mkDerivation rec {
+  pname = "opencpn";
+  version = "5.6.2";
+
+  src = fetchFromGitHub {
+    owner = "OpenCPN";
+    repo = "OpenCPN";
+    rev = "Release_${version}";
+    hash = "sha256-sNZYf/2gtjRrrGPuazVnKTgcuIQpKPazhexqlK21T4g=";
+  };
+
+  nativeBuildInputs = [ cmake lsb-release pkg-config ];
+  buildInputs = [
+    alsa-utils
+    at-spi2-core
+    curl
+    dbus
+    epoxy
+    flac
+    gtk3
+    jasper
+    libGLU
+    libarchive
+    libdatrie
+    libelf
+    libexif
+    libogg
+    libopus
+    libselinux
+    libsepol
+    libsndfile
+    libthai
+    libunarr
+    libusb
+    libvorbis
+    libxkbcommon
+    lz4
+    pcre
+    portaudio
+    sqlite
+    tinyxml
+    udev
+    util-linux
+    wxGTK31-gtk3
+    xorg.libXdmcp
+    xorg.libXtst
+  ];
+
+
+  cmakeFlags = [ "-DOCPN_BUNDLE_DOCS=true" ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "A concise ChartPlotter/Navigator";
+    maintainers = with maintainers; [ kragniz lovesegfault ];
+    platforms = [ "x86_64-linux" ];
+    license = licenses.gpl2;
+    homepage = "https://opencpn.org/";
+  };
+}