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/colorful/default.nix

@@ -0,0 +1,27 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "colorful";
+  version = "0.5.4";
+
+  # No tests in the Pypi package.
+  src = fetchFromGitHub {
+    owner = "timofurrer";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1fcz5v8b318a3dsdha4c874jsf3wmcw3f25bv2csixclyzacli98";
+  };
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = with lib; {
+    description = "Terminal string styling done right, in Python.";
+    homepage = "https://github.com/timofurrer/colorful";
+    license = licenses.mit;
+    maintainers = with maintainers; [ kalbasit ];
+  };
+}