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/scramp/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, asn1crypto
+, buildPythonPackage
+, fetchFromGitHub
+, pytest-mock
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "scramp";
+  version = "1.4.1";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "tlocke";
+    repo = "scramp";
+    rev = version;
+    sha256 = "sha256-HEt2QxNHX9Oqx+o0++ZtS61SVHra3nLAqv7NbQWVV+E=";
+  };
+
+  propagatedBuildInputs = [
+    asn1crypto
+  ];
+
+  checkInputs = [
+    pytest-mock
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "scramp" ];
+
+  meta = with lib; {
+    description = "Implementation of the SCRAM authentication protocol";
+    homepage = "https://github.com/tlocke/scramp";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jonringer ];
+  };
+}