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/jsonpointer/default.nix

@@ -0,0 +1,21 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "jsonpointer";
+  version = "2.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "f09f8deecaaa5aea65b5eb4f67ca4e54e1a61f7a11c75085e360fe6feb6a48bf";
+  };
+
+  meta = with lib; {
+    description = "Resolve JSON Pointers in Python";
+    homepage = "https://github.com/stefankoegl/python-json-pointer";
+    license = licenses.bsd2; # "Modified BSD license, says pypi"
+  };
+
+}