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/interpreters/python/tests/test_nix_pythonprefix/default.nix

@@ -0,0 +1,25 @@
+{ interpreter, writeText, runCommand }:
+
+let
+
+  python = let
+    packageOverrides = self: super: {
+      typeddep = self.callPackage ./typeddep {};
+    };
+  in interpreter.override {inherit packageOverrides; self = python;};
+
+  pythonEnv = python.withPackages(ps: [
+    ps.typeddep
+    ps.mypy
+  ]);
+
+  pythonScript = writeText "myscript.py" ''
+    from typeddep import util
+    s: str = util.echo("hello")
+    print(s)
+  '';
+
+in runCommand "${interpreter.name}-site-prefix-mypy-test" {} ''
+  ${pythonEnv}/bin/mypy ${pythonScript}
+  touch $out
+''