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/development/libraries/volk/default.nix

@@ -0,0 +1,53 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, cmake
+, python3
+, enableModTool ? true
+, removeReferencesTo
+, fetchpatch
+}:
+
+stdenv.mkDerivation rec {
+  pname = "volk";
+  # Version 2.5.1 seems to cause a build issue for aarch64-darwin, see:
+  # https://github.com/NixOS/nixpkgs/pull/160152#issuecomment-1043380478A
+  version = "2.5.0";
+
+  src = fetchFromGitHub {
+    owner = "gnuradio";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "XvX6emv30bSB29EFm6aC+j8NGOxWqHCNv0Hxtdrq/jc=";
+    fetchSubmodules = true;
+  };
+
+  patches = [
+    (fetchpatch {
+      url = "https://raw.githubusercontent.com/macports/macports-ports/e83a55ef196d4283be438c052295b2fc44f3df5b/science/volk/files/patch-cpu_features-add-support-for-ARM64.diff";
+      sha256 = "sha256-MNUntVvKZC4zuQsxGQCItaUaaQ1d31re2qjyPFbySmI=";
+      extraPrefix = "";
+    })
+  ];
+
+  cmakeFlags = lib.optionals (!enableModTool) [ "-DENABLE_MODTOOL=OFF" ];
+  postInstall = lib.optionalString (!stdenv.isDarwin) ''
+    ${removeReferencesTo}/bin/remove-references-to -t ${stdenv.cc} $(readlink -f $out/lib/libvolk.so)
+  '';
+
+  nativeBuildInputs = [
+    cmake
+    python3
+    python3.pkgs.Mako
+  ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    homepage = "http://libvolk.org/";
+    description = "The Vector Optimized Library of Kernels";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ doronbehar ];
+    platforms = platforms.all;
+  };
+}