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/base58/default.nix

@@ -0,0 +1,34 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pyhamcrest
+, pytest-benchmark
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "base58";
+  version = "2.1.1";
+  disabled = pythonOlder "3.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c5d0cb3f5b6e81e8e35da5754388ddcc6d0d14b6c6a132cb93d69ed580a7278c";
+  };
+
+  checkInputs = [
+    pyhamcrest
+    pytest-benchmark
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "base58" ];
+
+  meta = with lib; {
+    description = "Base58 and Base58Check implementation";
+    homepage = "https://github.com/keis/base58";
+    license = licenses.mit;
+    maintainers = with maintainers; [ nyanloutre ];
+  };
+}