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/passlib/default.nix

@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, argon2-cffi
+, bcrypt
+, cryptography
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "passlib";
+  version = "1.7.4";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "defd50f72b65c5402ab2c573830a6978e5f202ad0d984793c8dde2c4152ebe04";
+  };
+
+  passthru.optional-dependencies = {
+    argon2 = [ argon2-cffi ];
+    bcrypt = [ bcrypt ];
+    totp = [ cryptography ];
+  };
+
+  checkInputs = [
+    pytestCheckHook
+  ] ++ passthru.optional-dependencies.argon2
+    ++ passthru.optional-dependencies.bcrypt
+    ++ passthru.optional-dependencies.totp;
+
+  meta = with lib; {
+    description = "A password hashing library for Python";
+    homepage = "https://foss.heptapod.net/python-libs/passlib";
+    license = licenses.bsdOriginal;
+  };
+}