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/networking/p2p/rakshasa-rtorrent/libtorrent.nix

@@ -0,0 +1,48 @@
+# Note: this is rakshasa's version of libtorrent, used mainly by rtorrent.
+# *Do not* mistake it by libtorrent-rasterbar, used by Deluge, qbitttorent etc.
+{ lib
+, stdenv
+, fetchFromGitHub
+, autoconf-archive
+, autoreconfHook
+, cppunit
+, libsigcxx
+, openssl
+, pkg-config
+, zlib
+}:
+
+stdenv.mkDerivation rec {
+  pname = "rakshasa-libtorrent";
+  version = "0.13.8+date=2021-08-07";
+
+  src = fetchFromGitHub {
+    owner = "rakshasa";
+    repo = "libtorrent";
+    rev = "53596afc5fae275b3fb5753a4bb2a1a7f7cf6a51";
+    hash = "sha256-gyl/jfbptHz/gHkkVGWShhv1Z7o9fa9nJIz27U2A6wg=";
+  };
+
+  nativeBuildInputs = [
+    autoconf-archive
+    autoreconfHook
+    pkg-config
+  ];
+
+  buildInputs = [
+    cppunit
+    libsigcxx
+    openssl
+    zlib
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    homepage = "https://github.com/rakshasa/libtorrent";
+    description = "A BitTorrent library written in C++ for *nix, with focus on high performance and good code";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ ebzzry codyopel ];
+    platforms = platforms.unix;
+  };
+}