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/argon2-cffi/default.nix

@@ -0,0 +1,45 @@
+{ cffi
+, six
+, enum34
+, hypothesis
+, pytest
+, wheel
+, buildPythonPackage
+, fetchPypi
+, isPy3k
+, lib
+, stdenv
+, argon2-cffi-bindings
+}:
+
+buildPythonPackage rec {
+  pname = "argon2-cffi";
+  version = "21.3.0";
+  format = "flit";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "d384164d944190a7dd7ef22c6aa3ff197da12962bd04b17f64d4e93d934dba5b";
+  };
+
+  propagatedBuildInputs = [ cffi six argon2-cffi-bindings ]
+    ++ lib.optional (!isPy3k) enum34;
+
+  propagatedNativeBuildInputs = [
+    argon2-cffi-bindings
+    cffi
+  ];
+
+  ARGON2_CFFI_USE_SSE2 = lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) "0";
+
+  checkInputs = [ hypothesis pytest wheel ];
+  checkPhase = ''
+    pytest tests
+  '';
+
+  meta = with lib; {
+    description = "Secure Password Hashes for Python";
+    homepage    = "https://argon2-cffi.readthedocs.io/";
+    license     = licenses.mit;
+  };
+}