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/development/python-modules/aiohttp-cors/default.nix

@@ -0,0 +1,28 @@
+{ lib, buildPythonPackage, fetchPypi, pythonOlder
+, typing ? null, aiohttp
+}:
+
+buildPythonPackage rec {
+  pname = "aiohttp-cors";
+  version = "0.7.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0pczn54bqd32v8zhfbjfybiza6xh1szwxy6as577dn8g23bwcfad";
+  };
+
+  disabled = pythonOlder "3.5";
+
+  propagatedBuildInputs = [ aiohttp ]
+  ++ lib.optional (pythonOlder "3.5") typing;
+
+  # Requires network access
+  doCheck = false;
+
+  meta = with lib; {
+    description = "CORS support for aiohttp";
+    homepage = "https://github.com/aio-libs/aiohttp-cors";
+    license = licenses.asl20;
+    maintainers = with maintainers; [ primeos ];
+  };
+}