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/colour/default.nix

@@ -0,0 +1,19 @@
+{ lib, buildPythonPackage, fetchPypi, d2to1 }:
+
+buildPythonPackage rec {
+  pname = "colour";
+  version = "0.1.5";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "af20120fefd2afede8b001fbef2ea9da70ad7d49fafdb6489025dae8745c3aee";
+  };
+
+  buildInputs = [ d2to1 ];
+
+  meta = with lib; {
+    description = "Converts and manipulates common color representation (RGB, HSV, web, ...)";
+    homepage = "https://github.com/vaab/colour";
+    license = licenses.bsd2;
+  };
+}