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/cwcwidth/default.nix

@@ -0,0 +1,39 @@
+{ lib, buildPythonPackage, fetchPypi, cython, pytestCheckHook }:
+
+buildPythonPackage rec {
+  pname = "cwcwidth";
+  version = "0.1.6";
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1b31da599c9f0cf41f39ed10c1ceaa01d6024e31c6cd9aea2885b1f2a6d15fba";
+  };
+
+  nativeBuildInputs = [ cython ];
+
+  checkInputs = [ pytestCheckHook ];
+  preCheck = ''
+    # Hack needed to make pytest + cython work
+    # https://github.com/NixOS/nixpkgs/pull/82410#issuecomment-827186298
+    export HOME=$(mktemp -d)
+    cp -r $TMP/$sourceRoot/tests $HOME
+    pushd $HOME
+
+    # locale settings used by upstream, has the effect of skipping
+    # otherwise-failing tests on darwin
+    export LC_ALL='C.UTF-8'
+    export LANG='C.UTF-8'
+  '';
+  postCheck = "popd";
+
+  pythonImportsCheck = [ "cwcwidth" ];
+
+  meta = with lib; {
+    description = "Python bindings for wc(s)width";
+    homepage = "https://github.com/sebastinas/cwcwidth";
+    changelog = "https://github.com/sebastinas/cwcwidth/blob/main/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+}