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/allpairspy/default.nix

@@ -0,0 +1,25 @@
+{ lib, buildPythonPackage, fetchPypi, six, pytest }:
+
+buildPythonPackage rec {
+  pname = "allpairspy";
+  version = "2.5.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "9358484c91abe74ba18daf9d6d6904c5be7cc8818397d05248c9d336023c28b1";
+  };
+
+  propagatedBuildInputs = [ six ];
+
+  checkInputs = [ pytest ];
+
+  checkPhase = ''
+    py.test
+  '';
+
+  meta = with lib; {
+    description = "Pairwise test combinations generator";
+    homepage = "https://github.com/thombashi/allpairspy";
+    license = licenses.mit;
+  };
+}