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/poetry2conda/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, buildPythonApplication
+, fetchFromGitHub
+, pytest-mock
+, pytestCheckHook
+, toml
+, poetry
+, poetry-semver
+, pyyaml
+}:
+
+buildPythonApplication rec {
+  pname = "poetry2conda";
+  version = "0.3.0";
+
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "dojeda";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-UqNoEGgStvqtxhYwExk7wO4SvATaM2kGaFbB5ViJa7U=";
+  };
+
+  nativeBuildInputs = [ poetry ];
+
+  propagatedBuildInputs = [
+    poetry-semver
+    toml
+  ];
+
+  checkInputs = [
+    pytest-mock
+    pytestCheckHook
+    pyyaml
+  ];
+
+  meta = with lib; {
+    description = "A script to convert a Python project declared on a pyproject.toml to a conda environment";
+    homepage = "https://github.com/dojeda/poetry2conda";
+    license = licenses.mit;
+    maintainers = with maintainers; [ cpcloud ];
+  };
+}