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/pyjks/default.nix

@@ -0,0 +1,37 @@
+{ buildPythonPackage
+, fetchPypi
+, lib
+
+# pythonPackages
+, pyasn1-modules
+, pycryptodomex
+, twofish
+}:
+
+buildPythonPackage rec {
+  pname = "pyjks";
+  version = "20.0.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0378cec15fb11b2ed27ba54dad9fd987d48e6f62f49fcff138f5f7a8b312b044";
+  };
+
+  propagatedBuildInputs = [
+    pyasn1-modules
+    pycryptodomex
+    twofish
+  ];
+
+  # Tests assume network connectivity
+  doCheck = false;
+
+  meta = {
+    description = "Pure-Python Java Keystore (JKS) library";
+    homepage = "https://github.com/kurtbrose/pyjks";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [
+      kamadorueda
+    ];
+  };
+}