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/top-level/release-python.nix

@@ -0,0 +1,48 @@
+/*
+   test for example like this
+   $ hydra-eval-jobs pkgs/top-level/release-python.nix
+*/
+
+{ # The platforms for which we build Nixpkgs.
+  supportedSystems ? [
+    "aarch64-linux"
+    "x86_64-linux"
+  ]
+, # Attributes passed to nixpkgs. Don't build packages marked as unfree.
+  nixpkgsArgs ? { config = { allowUnfree = false; inHydra = true; }; }
+}:
+
+with import ./release-lib.nix {inherit supportedSystems nixpkgsArgs; };
+with lib;
+
+let
+  packagePython = mapAttrs (name: value:
+    let res = builtins.tryEval (
+      if isDerivation value then
+        value.meta.isBuildPythonPackage or []
+      else if value.recurseForDerivations or false || value.recurseForRelease or false then
+        packagePython value
+      else
+        []);
+    in if res.success then res.value else []
+    );
+
+  jobs = {
+    lib-tests = import ../../lib/tests/release.nix { inherit pkgs; };
+    pkgs-lib-tests = import ../pkgs-lib/tests { inherit pkgs; };
+
+    tested = pkgs.releaseTools.aggregate {
+      name = "python-tested";
+      meta.description = "Release-critical packages from the python package sets";
+      constituents = [
+        jobs.remarshal.x86_64-linux                     # Used in pkgs.formats helper
+        jobs.python39Packages.buildcatrust.x86_64-linux # Used in pkgs.cacert
+        jobs.python39Packages.colorama.x86_64-linux     # Used in nixos test-driver
+        jobs.python39Packages.ptpython.x86_64-linux     # Used in nixos test-driver
+        jobs.python39Packages.requests.x86_64-linux     # Almost ubiquous package
+        jobs.python39Packages.sphinx.x86_64-linux       # Document creation for many packages
+      ];
+    };
+
+  } // (mapTestOn (packagePython pkgs));
+in jobs