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/hackrf/default.nix

@@ -0,0 +1,42 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, libusb1, fftwSinglePrec }:
+
+stdenv.mkDerivation rec {
+  pname = "hackrf";
+  version = "2021.03.1";
+
+  src = fetchFromGitHub {
+    owner = "greatscottgadgets";
+    repo = "hackrf";
+    rev = "v${version}";
+    sha256 = "sha256-2kEfTco95I9YLz/18nfjJSd7U/HE5sBCEioWL2t804k=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+  ];
+
+  buildInputs = [
+    libusb1
+    fftwSinglePrec
+  ];
+
+  cmakeFlags = [ "-DUDEV_RULES_GROUP=plugdev" "-DUDEV_RULES_PATH=lib/udev/rules.d" ];
+
+  preConfigure = ''
+    cd host
+  '';
+
+  postPatch = ''
+    substituteInPlace host/cmake/modules/FindFFTW.cmake \
+      --replace "find_library (FFTW_LIBRARIES NAMES fftw3)" "find_library (FFTW_LIBRARIES NAMES fftw3f)"
+  '';
+
+  meta = with lib; {
+    description = "An open source SDR platform";
+    homepage = "https://greatscottgadgets.com/hackrf/";
+    license = licenses.gpl2;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ sjmackenzie ];
+  };
+}