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/wownero/default.nix

@@ -0,0 +1,61 @@
+{ lib, stdenv, fetchFromGitea, cmake, boost, miniupnpc_2, openssl, unbound
+, readline, libsodium, rapidjson
+}:
+
+with lib;
+stdenv.mkDerivation rec {
+  pname = "wownero";
+  version = "0.8.0.1";
+  randomwowVersion = "1.1.7";
+
+  src = fetchFromGitea {
+    domain = "git.wownero.com";
+    owner = "wownero";
+    repo = "wownero";
+    rev = "v${version}";
+    sha256 = "sha256-+cUdousEiZMNwqhTvjoqw/k21x3dg7Lhb/5KyNUGrjQ=";
+    fetchSubmodules = false;
+  };
+
+  randomwow = fetchFromGitea {
+    domain = "git.wownero.com";
+    owner = "wownero";
+    repo = "RandomWOW";
+    rev = randomwowVersion;
+    sha256 = "sha256-JzyRlHwM8rmJ5OaKHz+6vHGfpSz+X4zkFAKn4Jmo+EE=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [
+    boost miniupnpc_2 openssl unbound rapidjson readline libsodium
+  ];
+
+  postUnpack = ''
+    rm -r $sourceRoot/external/RandomWOW
+    ln -s ${randomwow} $sourceRoot/external/RandomWOW
+  '';
+
+  cmakeFlags = [
+    "-DReadline_ROOT_DIR=${readline.dev}"
+    "-DMANUAL_SUBMODULES=ON"
+  ];
+
+  meta = {
+    description = ''
+      A privacy-centric memecoin that was fairly launched on April 1, 2018 with
+      no pre-mine, stealth-mine or ICO
+    '';
+    longDescription = ''
+      Wownero has a maximum supply of around 184 million WOW with a slow and
+      steady emission over 50 years. It is a fork of Monero, but with its own
+      genesis block, so there is no degradation of privacy due to ring
+      signatures using different participants for the same tx outputs on
+      opposing forks.
+    '';
+    homepage    = "https://wownero.org/";
+    license     = licenses.bsd3;
+    platforms   = platforms.linux;
+    maintainers = with maintainers; [ fuwa ];
+  };
+}