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/servers/matrix-synapse/default.nix

@@ -0,0 +1,79 @@
+{ lib, stdenv, python3, openssl
+, enableSystemd ? stdenv.isLinux, nixosTests
+, enableRedis ? true
+, callPackage
+}:
+
+let
+  plugins = python3.pkgs.callPackage ./plugins { };
+  tools = callPackage ./tools { };
+in
+with python3.pkgs;
+buildPythonApplication rec {
+  pname = "matrix-synapse";
+  version = "1.60.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-sR+DZhpAkPpurPs6jSBVphYp12z8qulcQSl3ngcCrcs=";
+  };
+
+  buildInputs = [ openssl ];
+
+  propagatedBuildInputs = [
+    authlib
+    bcrypt
+    bleach
+    canonicaljson
+    daemonize
+    frozendict
+    ijson
+    jinja2
+    jsonschema
+    lxml
+    matrix-common
+    msgpack
+    netaddr
+    phonenumbers
+    pillow
+    prometheus-client
+    psutil
+    psycopg2
+    pyasn1
+    pyjwt
+    pymacaroons
+    pynacl
+    pyopenssl
+    pysaml2
+    pyyaml
+    requests
+    setuptools
+    signedjson
+    sortedcontainers
+    treq
+    twisted
+    typing-extensions
+    unpaddedbase64
+  ] ++ lib.optional enableSystemd systemd
+    ++ lib.optionals enableRedis [ hiredis txredisapi ];
+
+  checkInputs = [ mock parameterized openssl ];
+
+  doCheck = !stdenv.isDarwin;
+
+  checkPhase = ''
+    PYTHONPATH=".:$PYTHONPATH" ${python3.interpreter} -m twisted.trial -j $NIX_BUILD_CORES tests
+  '';
+
+  passthru.tests = { inherit (nixosTests) matrix-synapse; };
+  passthru.plugins = plugins;
+  passthru.tools = tools;
+  passthru.python = python3;
+
+  meta = with lib; {
+    homepage = "https://matrix.org";
+    description = "Matrix reference homeserver";
+    license = licenses.asl20;
+    maintainers = teams.matrix.members;
+  };
+}