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/blockchains/aeon/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, git, doxygen, graphviz
+, boost, miniupnpc, openssl, unbound, cppzmq
+, zeromq, pcsclite, readline, libsodium
+}:
+
+let
+  version = "0.14.1.0";
+in
+stdenv.mkDerivation {
+  pname = "aeon";
+  inherit version;
+
+  src = fetchFromGitHub {
+    owner = "aeonix";
+    repo = "aeon";
+    rev = "v${version}-aeon";
+    fetchSubmodules = true;
+    sha256 = "sha256-yej4w/2m9YXsMobqHwzA5GBbduhaeTVvmnHUJNWX87E=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config git doxygen graphviz ];
+
+  buildInputs = [
+    boost miniupnpc openssl unbound
+    cppzmq zeromq pcsclite readline libsodium
+  ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+    "-DBUILD_GUI_DEPS=ON"
+    "-DReadline_ROOT_DIR=${readline.dev}"
+  ];
+
+  hardeningDisable = [ "fortify" ];
+
+  meta = with lib; {
+    description = "Private, secure, untraceable currency";
+    homepage = "http://www.aeon.cash/";
+    license = licenses.bsd3;
+    maintainers = [ maintainers.aij ];
+    platforms = [ "x86_64-linux" ];
+  };
+}