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/gphoto2/default.nix

@@ -0,0 +1,26 @@
+{ lib, fetchPypi, buildPythonPackage
+, pkg-config
+, libgphoto2 }:
+
+buildPythonPackage rec {
+  pname = "gphoto2";
+  version = "2.3.3";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-bhHGvUGzXrk7snMzv+R0fd/gnZTFJ3xfse5i2Krpl3I=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [ libgphoto2 ];
+
+  doCheck = false; # No tests available
+
+  meta = with lib; {
+    description = "Python interface to libgphoto2";
+    homepage = "https://github.com/jim-easterbrook/python-gphoto2";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ jfrankenau ];
+  };
+}