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/tools/misc/past-time/default.nix

@@ -0,0 +1,39 @@
+{ lib
+, buildPythonApplication
+, click
+, fetchFromGitHub
+, freezegun
+, pytestCheckHook
+, tqdm
+}:
+
+buildPythonApplication rec {
+  pname = "past-time";
+  version = "0.2.1";
+
+  src = fetchFromGitHub {
+    owner = "fabaff";
+    repo = pname;
+    rev = version;
+    sha256 = "0yhc0630rmcx4ia9y6klpx002mavfmqf1s3jb2gz54jlccwqbfgl";
+  };
+
+  propagatedBuildInputs = [
+    click
+    tqdm
+  ];
+
+  checkInputs = [
+    freezegun
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "past_time" ];
+
+  meta = with lib; {
+    description = "Tool to visualize the progress of the year based on the past days";
+    homepage = "https://github.com/fabaff/past-time";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}