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/py3buddy/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv
+, fetchFromGitHub
+, python
+, pyusb
+}:
+
+stdenv.mkDerivation rec {
+  pname = "py3buddy";
+  version = "unstable-2019-09-29";
+
+  src = fetchFromGitHub {
+    owner = "armijnhemel";
+    repo = pname;
+    rev = "2b28908454645117368ca56df67548c93f4e0b03";
+    sha256 = "12ar4kbplavndarkrbibxi5i607f5sfia5myscvalqy78lc33798";
+  };
+
+  propagatedBuildInputs = [ pyusb ];
+
+  dontConfigure = true;
+  dontBuild = true;
+  dontCheck = true;
+
+  installPhase = ''
+    install -D py3buddy.py $out/${python.sitePackages}/py3buddy.py
+  '';
+
+  postInstall = ''
+    install -D 99-ibuddy.rules $out/lib/udev/rules.d/99-ibuddy.rules
+  '';
+
+  meta = with lib; {
+    description = "Code to work with the iBuddy MSN figurine";
+    homepage = "https://github.com/armijnhemel/py3buddy";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ prusnak ];
+  };
+}