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/pivx/default.nix

@@ -0,0 +1,79 @@
+{ fetchFromGitHub
+, lib
+, stdenv
+, pkg-config
+, autoreconfHook
+, wrapQtAppsHook
+, openssl
+, db48
+, boost
+, zlib
+, miniupnpc
+, gmp
+, qrencode
+, glib
+, protobuf
+, yasm
+, libevent
+, util-linux
+, qtbase
+, qttools
+, enableUpnp ? false
+, disableWallet ? false
+, disableDaemon ? false
+, withGui ? false
+}:
+
+stdenv.mkDerivation rec {
+  pname = "pivx";
+  version = "4.1.1";
+
+  src = fetchFromGitHub {
+    owner = "PIVX-Project";
+    repo = "PIVX";
+    rev = "v${version}";
+    sha256 = "03ndk46h6093v8s18d5iffz48zhlshq7jrk6vgpjfs6z2iqgd2sy";
+  };
+
+  nativeBuildInputs = [ pkg-config autoreconfHook ]
+    ++ lib.optionals withGui [ wrapQtAppsHook ];
+
+  buildInputs = [ glib gmp openssl db48 yasm boost zlib libevent miniupnpc protobuf util-linux ]
+    ++ lib.optionals withGui [ qtbase qttools qrencode ];
+
+  configureFlags = [ "--with-boost-libdir=${boost.out}/lib" ]
+    ++ lib.optional enableUpnp "--enable-upnp-default"
+    ++ lib.optional disableWallet "--disable-wallet"
+    ++ lib.optional disableDaemon "--disable-daemon"
+    ++ lib.optionals withGui [
+    "--with-gui=yes"
+    "--with-qt-bindir=${lib.getDev qtbase}/bin:${lib.getDev qttools}/bin"
+  ];
+
+  enableParallelBuilding = true;
+  doCheck = true;
+  postBuild = ''
+    mkdir -p $out/share/applications $out/share/icons
+    cp contrib/debian/pivx-qt.desktop $out/share/applications/
+    cp share/pixmaps/*128.png $out/share/icons/
+  '';
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    $out/bin/test_pivx
+  '';
+
+  meta = with lib; {
+    broken = (stdenv.isLinux && stdenv.isAarch64) || stdenv.isDarwin;
+    description = "An open source crypto-currency focused on fast private transactions";
+    longDescription = ''
+      PIVX is an MIT licensed, open source, blockchain-based cryptocurrency with
+      ultra fast transactions, low fees, high network decentralization, and
+      Zero Knowledge cryptography proofs for industry-leading transaction anonymity.
+    '';
+    license = licenses.mit;
+    homepage = "https://pivx.org";
+    maintainers = with maintainers; [ ];
+    platforms = platforms.unix;
+  };
+}