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/tvnamer/default.nix

@@ -0,0 +1,47 @@
+{ lib
+, python3
+}:
+
+let
+  python' = python3.override {
+    packageOverrides = self: super: rec {
+      # tvdb_api v3.1.0 has a hard requirement on requests-cache < 0.6
+      requests-cache = super.requests-cache.overridePythonAttrs (super: rec {
+        version = "0.5.2";
+        src = self.fetchPypi {
+          inherit (super) pname;
+          inherit version;
+          sha256 = "sha256-gTAjJpaGBF+OAeIonMHn6a5asi3dHihJqQk6s6tycOs=";
+        };
+
+        # too many changes have been made to requests-cache based on version 0.6 so
+        # simply disable tests
+        doCheck = false;
+      });
+    };
+  };
+
+  pypkgs = python'.pkgs;
+
+in
+pypkgs.buildPythonApplication rec {
+  pname = "tvnamer";
+  version = "3.0.4";
+
+  src = pypkgs.fetchPypi {
+    inherit pname version;
+    sha256 = "dc2ea8188df6ac56439343630466b874c57756dd0b2538dd8e7905048f425f04";
+  };
+
+  propagatedBuildInputs = with pypkgs; [ tvdb_api ];
+
+  # no tests from pypi
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Automatic TV episode file renamer, uses data from thetvdb.com via tvdb_api.";
+    homepage = "https://github.com/dbr/tvnamer";
+    license = licenses.unlicense;
+    maintainers = with maintainers; [ peterhoeg ];
+  };
+}