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/kconfiglib/default.nix

@@ -0,0 +1,21 @@
+{ lib, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  pname = "kconfiglib";
+  version = "14.1.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "0g690bk789hsry34y4ahvly5c8w8imca90ss4njfqf7m2qicrlmy";
+  };
+
+  # doesnt work out of the box but might be possible
+  doCheck = false;
+
+  meta = with lib; {
+    description = "A flexible Python 2/3 Kconfig implementation and library";
+    homepage = "https://github.com/ulfalizer/Kconfiglib";
+    license = licenses.isc;
+    maintainers = with maintainers; [ teto ];
+  };
+}