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/flit-core/default.nix

@@ -0,0 +1,42 @@
+{ lib
+, buildPythonPackage
+, callPackage
+, flit
+}:
+
+buildPythonPackage rec {
+  pname = "flit-core";
+  inherit (flit) version;
+  format = "pyproject";
+
+  outputs = [
+    "out"
+    "testsout"
+  ];
+
+  inherit (flit) src patches;
+
+  preConfigure = ''
+    cd flit_core
+  '';
+
+  postInstall = ''
+    mkdir $testsout
+    cp -R ../tests $testsout/tests
+  '';
+
+  # check in passthru.tests.pytest to escape infinite recursion with setuptools-scm
+  doCheck = false;
+
+  passthru.tests = {
+    inherit flit;
+    pytest = callPackage ./tests.nix { };
+  };
+
+  meta = with lib; {
+    description = "Distribution-building parts of Flit. See flit package for more information";
+    homepage = "https://github.com/pypa/flit";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ fridh SuperSandro2000 ];
+  };
+}