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/bitcoin-abc/default.nix

@@ -0,0 +1,76 @@
+{ lib
+, stdenv
+, mkDerivation
+, fetchFromGitHub
+, pkg-config
+, cmake
+, openssl
+, db53
+, boost
+, zlib
+, miniupnpc
+, qtbase ? null
+, qttools ? null
+, util-linux
+, protobuf
+, qrencode
+, libevent
+, withGui
+, python3
+, jemalloc
+, zeromq4
+}:
+
+mkDerivation rec {
+  pname = "bitcoin" + lib.optionalString (!withGui) "d" + "-abc";
+  version = "0.21.13";
+
+  src = fetchFromGitHub {
+    owner = "bitcoin-ABC";
+    repo = "bitcoin-abc";
+    rev = "v${version}";
+    sha256 = "1x8xcdi1vcskggk9bqkwr3ah4vi9b7sj2h8hf7spac6dvz8lmzav";
+  };
+
+  patches = [ ./fix-bitcoin-qt-build.patch ];
+
+  nativeBuildInputs = [ pkg-config cmake ];
+  buildInputs = [
+    openssl
+    db53
+    boost
+    zlib
+    python3
+    jemalloc
+    zeromq4
+    miniupnpc
+    util-linux
+    protobuf
+    libevent
+  ] ++ lib.optionals withGui [ qtbase qttools qrencode ];
+
+  cmakeFlags = lib.optionals (!withGui) [
+    "-DBUILD_BITCOIN_QT=OFF"
+  ];
+
+  # many of the generated scripts lack execute permissions
+  postConfigure = ''
+    find ./. -type f -iname "*.sh" -exec chmod +x {} \;
+  '';
+
+  meta = with lib; {
+    description = "Peer-to-peer electronic cash system (Cash client)";
+    longDescription = ''
+      Bitcoin ABC is the name of open source software which enables the use of Bitcoin.
+      It is designed to facilite a hard fork to increase Bitcoin's block size limit.
+      "ABC" stands for "Adjustable Blocksize Cap".
+
+      Bitcoin ABC is a fork of the Bitcoin Core software project.
+    '';
+    homepage = "https://bitcoinabc.org/";
+    maintainers = with maintainers; [ lassulus ];
+    license = licenses.mit;
+    broken = stdenv.isDarwin;
+    platforms = platforms.unix;
+  };
+}