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/ansicolors/default.nix

@@ -0,0 +1,25 @@
+{ lib, buildPythonPackage, fetchPypi, pytest }:
+
+buildPythonPackage rec {
+  pname = "ansicolors";
+  version = "1.1.8";
+
+  src = fetchPypi {
+    inherit pname version;
+    extension = "zip";
+    sha256 = "99f94f5e3348a0bcd43c82e5fc4414013ccc19d70bd939ad71e0133ce9c372e0";
+  };
+
+  checkInputs = [ pytest ];
+
+  checkPhase = ''
+    py.test
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/verigak/colors/";
+    description = "ANSI colors for Python";
+    license = licenses.isc;
+    maintainers = with maintainers; [ copumpkin ];
+  };
+}