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/bambootracker/default.nix

@@ -0,0 +1,46 @@
+{ mkDerivation
+, stdenv
+, lib
+, fetchFromGitHub
+, qmake
+, pkg-config
+, qttools
+, qtbase
+, rtaudio
+, rtmidi
+}:
+
+mkDerivation rec {
+  pname = "bambootracker";
+  version = "0.5.0";
+
+  src = fetchFromGitHub {
+    owner = "BambooTracker";
+    repo = "BambooTracker";
+    rev = "v${version}";
+    fetchSubmodules = true;
+    sha256 = "1mpbvhsmrn0wdmxfp3n5dwv4474qlhy47r3vwc2jwdslq6vgl1fa";
+  };
+
+  nativeBuildInputs = [ qmake qttools pkg-config ];
+
+  buildInputs = [ qtbase rtaudio rtmidi ];
+
+  qmakeFlags = [ "CONFIG+=system_rtaudio" "CONFIG+=system_rtmidi" ];
+
+  postConfigure = "make qmake_all";
+
+  postInstall = lib.optionalString stdenv.hostPlatform.isDarwin ''
+    mkdir -p $out/Applications
+    mv $out/{bin,Applications}/BambooTracker.app
+    ln -s $out/{Applications/BambooTracker.app/Contents/MacOS,bin}/BambooTracker
+  '';
+
+  meta = with lib; {
+    description = "A tracker for YM2608 (OPNA) which was used in NEC PC-8801/9801 series computers";
+    homepage = "https://bambootracker.github.io/BambooTracker/";
+    license = licenses.gpl2Plus;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ OPNA2608 ];
+  };
+}