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/baseline/default.nix

@@ -0,0 +1,27 @@
+{ lib, buildPythonPackage, fetchFromGitHub, isPy3k, pytestCheckHook }:
+
+buildPythonPackage rec {
+  pname = "baseline";
+  version = "1.2.1";
+  disabled = !isPy3k;
+
+  src = fetchFromGitHub {
+    owner = "dmgass";
+    repo = "baseline";
+    rev = "95a0b71806ed16310eb0f27bc48aa5e21f731423";
+    sha256 = "0qjg46ipyfjflvjqzqr5p7iylwwqn2mhhrq952d01vi8wvfds10d";
+  };
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = with lib; {
+    description = "Easy String Baseline";
+    longDescription = ''
+      This tool streamlines creation and maintenance of tests which compare
+      string output against a baseline.
+    '';
+    homepage = "https://github.com/dmgass/baseline";
+    license = licenses.mit;
+    maintainers = with maintainers; [ dnr ];
+  };
+}