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/pyasn/default.nix

@@ -0,0 +1,34 @@
+{ lib, buildPythonPackage, fetchPypi, fetchFromGitHub, python, }:
+
+buildPythonPackage rec {
+  pname = "pyasn";
+  version = "1.6.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-6UK1SRY2Pse4tw6urs0OtOQe8bz0ojl7KabXFfzN+SU=";
+  };
+
+  datasrc = fetchFromGitHub {
+    owner = "hadiasghari";
+    repo = "pyasn";
+    rev = "${version}";
+    sha256 = "sha256-R7Vi1Mn44Mg3HQLDk9O43MkXXwbLRr/jjVKSHJvgYj0";
+  };
+
+  postInstall = ''
+    install -dm755 $out/${python.sitePackages}/pyasn/data
+    cp $datasrc/data/* $out/${python.sitePackages}/pyasn/data
+  '';
+
+  doCheck = false; # Tests require internet connection which wont work
+
+  pythonImportsCheck = [ "pyasn" ];
+
+  meta = with lib; {
+    description = "Offline IP address to Autonomous System Number lookup module";
+    homepage = "https://github.com/hadiasghari/pyasn";
+    license = with licenses; [ bsdOriginal mit ];
+    maintainers = with maintainers; [ onny ];
+  };
+}