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/graphics/qimgv/default.nix

@@ -0,0 +1,60 @@
+{ mkDerivation
+, lib
+, fetchFromGitHub
+, fetchpatch
+
+, cmake
+, pkg-config
+
+, exiv2
+, mpv
+, opencv4
+, qtbase
+, qtimageformats
+, qtsvg
+}:
+
+mkDerivation rec {
+  pname = "qimgv";
+  version = "1.0.2";
+
+  src = fetchFromGitHub {
+    owner = "easymodo";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-YlV/ysm7bdPverpKpanrL+jPVvMtP1paoAm0PREMaww=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+  ];
+
+  buildInputs = [
+    exiv2
+    mpv
+    opencv4
+    qtbase
+    qtimageformats
+    qtsvg
+  ];
+
+  postPatch = ''
+    sed -i "s@/usr/bin/mpv@${mpv}/bin/mpv@" \
+      qimgv/settings.cpp
+  '';
+
+  # Wrap the library path so it can see `libqimgv_player_mpv.so`, which is used
+  # to play video files within qimgv itself.
+  qtWrapperArgs = [
+    "--prefix LD_LIBRARY_PATH : ${placeholder "out"}/lib"
+  ];
+
+  meta = with lib; {
+    description = "A Qt5 image viewer with optional video support";
+    homepage = "https://github.com/easymodo/qimgv";
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ cole-h ];
+  };
+}