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/vxi11/default.nix

@@ -0,0 +1,26 @@
+{ lib, buildPythonPackage, fetchFromGitHub, nose }:
+
+buildPythonPackage rec {
+  pname = "python-vxi11";
+  version = "0.9";
+
+  # no tests in PyPI tarball
+  src = fetchFromGitHub {
+    owner = "python-ivi";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1xv7chp7rm0vrvbz6q57fpwhlgjz461h08q9zgmkcl2l0w96hmsn";
+  };
+
+  checkInputs = [ nose ];
+  checkPhase = ''
+    nosetests
+  '';
+
+  meta = with lib; {
+    description = "VXI-11 driver for controlling instruments over Ethernet";
+    homepage = "https://github.com/python-ivi/python-vxi11";
+    license = licenses.mit;
+    maintainers = with maintainers; [ bgamari ];
+  };
+}