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/playbar2/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv
+, cmake
+, extra-cmake-modules
+, plasma-framework
+, kwindowsystem
+, fetchFromGitHub
+}:
+
+stdenv.mkDerivation rec {
+  pname = "playbar2";
+  version = "2.5";
+
+  src = fetchFromGitHub {
+    owner = "audoban";
+    repo = "PlayBar2";
+    rev = "v${version}";
+    sha256 = "0iv2m4flgaz2r0k7f6l0ca8p6cw8j8j2gin1gci2pg3l5g5khbch";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    extra-cmake-modules
+  ];
+
+  buildInputs = [
+    plasma-framework
+    kwindowsystem
+  ];
+
+  dontWrapQtApps = true;
+
+  meta = with lib; {
+    description = "Mpris2 Client for Plasma5";
+    homepage = "https://github.com/audoban/PlayBar2";
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ pjones ];
+  };
+}