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/minikerberos/default.nix

@@ -0,0 +1,43 @@
+{ lib
+, asn1crypto
+, asysocks
+, buildPythonPackage
+, fetchPypi
+, oscrypto
+, pythonOlder
+, unicrypto
+}:
+
+buildPythonPackage rec {
+  pname = "minikerberos";
+  version = "0.2.20";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-eJ+AImP6GIL3AbEj9u7ASLRc1zG/G1KIcABdrwdAIEc=";
+  };
+
+  propagatedBuildInputs = [
+    asn1crypto
+    asysocks
+    oscrypto
+    unicrypto
+  ];
+
+  # no tests are published: https://github.com/skelsec/minikerberos/pull/5
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "minikerberos"
+  ];
+
+  meta = with lib; {
+    description = "Kerberos manipulation library in Python";
+    homepage = "https://github.com/skelsec/minikerberos";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}