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/xlwt/default.nix

@@ -0,0 +1,26 @@
+{ buildPythonPackage
+, fetchPypi
+, nose
+, lib
+}:
+
+buildPythonPackage rec {
+  pname = "xlwt";
+  version = "1.3.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c59912717a9b28f1a3c2a98fd60741014b06b043936dcecbc113eaaada156c88";
+  };
+
+  checkInputs = [ nose ];
+  checkPhase = ''
+    nosetests -v
+  '';
+
+  meta = {
+    description = "Library to create spreadsheet files compatible with MS";
+    homepage = "https://github.com/python-excel/xlwt";
+    license = with lib.licenses; [ bsdOriginal bsd3 lgpl21 ];
+  };
+}