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/selectors2/default.nix

@@ -0,0 +1,31 @@
+{ stdenv, lib, buildPythonPackage, fetchPypi
+, nose, psutil, mock }:
+
+buildPythonPackage rec {
+  version = "2.0.2";
+  pname = "selectors2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1f1bbaac203a23fbc851dc1b5a6e92c50698cc8cefa5873eb5b89eef53d1d82b";
+  };
+
+  checkInputs = [ nose psutil mock ];
+
+  checkPhase = ''
+    # https://github.com/NixOS/nixpkgs/pull/46186#issuecomment-419450064
+    # Trick to disable certain tests that depend on timing which
+    # will always fail on hydra
+    export TRAVIS=""
+    nosetests tests/test_selectors2.py \
+      --exclude=test_above_fd_setsize
+  '';
+
+  meta = with lib; {
+    broken = (stdenv.isLinux && stdenv.isAarch64) || stdenv.isDarwin;
+    homepage = "https://www.github.com/SethMichaelLarson/selectors2";
+    description = "Back-ported, durable, and portable selectors";
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}