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/radio/freedv/default.nix

@@ -0,0 +1,53 @@
+{ config
+, lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, codec2
+, libpulseaudio
+, libsamplerate
+, libsndfile
+, lpcnetfreedv
+, portaudio
+, speexdsp
+, hamlib
+, wxGTK31-gtk3
+, pulseSupport ? config.pulseaudio or stdenv.isLinux
+}:
+
+stdenv.mkDerivation rec {
+  pname = "freedv";
+  version = "1.7.0";
+
+  src = fetchFromGitHub {
+    owner = "drowe67";
+    repo = "freedv-gui";
+    rev = "v${version}";
+    hash = "sha256-0E7r/7+AQRPIFAcE6O1WE0NYiKzAlBR0jKbssqWvRMU=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+  buildInputs = [
+    codec2
+    libsamplerate
+    libsndfile
+    lpcnetfreedv
+    speexdsp
+    hamlib
+    wxGTK31-gtk3
+  ] ++ (if pulseSupport then [ libpulseaudio ] else [ portaudio ]);
+
+  cmakeFlags = [
+    "-DUSE_INTERNAL_CODEC2:BOOL=FALSE"
+    "-DUSE_STATIC_DEPS:BOOL=FALSE"
+  ] ++ lib.optionals pulseSupport [ "-DUSE_PULSEAUDIO:BOOL=TRUE" ];
+
+  meta = with lib; {
+    homepage = "https://freedv.org/";
+    description = "Digital voice for HF radio";
+    license = licenses.lgpl21;
+    maintainers = with maintainers; [ mvs ];
+    platforms = platforms.unix;
+    broken = stdenv.isDarwin;  # see https://github.com/NixOS/nixpkgs/issues/165422
+  };
+}