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/keyrings-cryptfile/default.nix

@@ -0,0 +1,59 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, fetchpatch
+, argon2-cffi
+, keyring
+, pycryptodome
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "keyrings.cryptfile";
+  # NOTE: newer releases are bugged/incompatible
+  # https://github.com/frispete/keyrings.cryptfile/issues/15
+  version = "1.3.4";
+  disabled = pythonOlder "3.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-jW+cKMm+xef8C+fl0CGe+6SEkYBHDjFX2/kLCZ62j6c=";
+  };
+
+  patches = [
+    # upstream setup.cfg has an option that is not supported
+    ./fix-testsuite.patch
+    # change of API in keyrings.testing
+    (fetchpatch {
+      url = "https://github.com/frispete/keyrings.cryptfile/commit/6fb9e45f559b8b69f7a0a519c0bece6324471d79.patch";
+      sha256 = "sha256-1878pMO9Ed1zs1pl+7gMjwx77HbDHdE1CryN8TPfPdU=";
+    })
+  ];
+
+  propagatedBuildInputs = [
+    argon2-cffi
+    keyring
+    pycryptodome
+  ];
+
+  pythonImportsCheck = [
+    "keyrings.cryptfile"
+  ];
+
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    "test_set_properties"
+    "UncryptedFileKeyringTestCase"
+  ];
+
+  meta = with lib; {
+    description = "Encrypted file keyring backend";
+    homepage = "https://github.com/frispete/keyrings.cryptfile";
+    license = licenses.mit;
+    maintainers = teams.chia.members;
+  };
+}