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/django-pglocks/default.nix

@@ -0,0 +1,23 @@
+{ lib, buildPythonPackage, fetchPypi, django, six }:
+
+buildPythonPackage rec {
+  pname = "django-pglocks";
+  version = "1.0.4";
+
+  meta = {
+    description = "PostgreSQL locking context managers and functions for Django.";
+    homepage = "https://github.com/Xof/django-pglocks";
+    license = lib.licenses.mit;
+  };
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "3c47c66fbfbd268ef46269673a0516a039539b0972b8ed2ec9cfee44c4b65523";
+  };
+
+  buildInputs = [ django ];
+  propagatedBuildInputs = [ django six ];
+
+  # tests need a postgres database
+  doCheck = false;
+}