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/pytest-regressions/default.nix

@@ -0,0 +1,69 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, pythonOlder
+, matplotlib
+, numpy
+, pandas
+, pillow
+, pytest
+, pytest-datadir
+, pytestCheckHook
+, pyyaml
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "pytest-regressions";
+  version = "2.3.1";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-s+xM2zTo9idgYnXYuDTGXmDhowc+MmuzcnpCcnPQIh0=";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  buildInputs = [
+    pytest
+  ];
+
+  propagatedBuildInputs = [
+    numpy
+    pandas
+    pillow
+    pytest-datadir
+    pyyaml
+  ];
+
+
+  checkInputs = [
+    pytestCheckHook
+    matplotlib
+  ];
+
+  pythonImportsCheck = [
+    "pytest_regressions"
+    "pytest_regressions.plugin"
+  ];
+
+  meta = with lib; {
+    description = "Pytest fixtures to write regression tests";
+    longDescription = ''
+      pytest-regressions makes it simple to test general data, images,
+      files, and numeric tables by saving expected data in a data
+      directory (courtesy of pytest-datadir) that can be used to verify
+      that future runs produce the same data.
+    '';
+    homepage = "https://github.com/ESSS/pytest-regressions";
+    license = licenses.mit;
+    maintainers = with maintainers; [ AluisioASG ];
+  };
+}