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/termcolor/default.nix

@@ -0,0 +1,21 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "termcolor";
+  version = "1.1.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1d6d69ce66211143803fbc56652b41d73b4a400a2891d7bf7a1cdf4c02de613b";
+  };
+
+  meta = with lib; {
+    description = "Termcolor";
+    homepage = "https://pypi.python.org/pypi/termcolor";
+    license = licenses.mit;
+  };
+
+}