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/pyasn1/default.nix

@@ -0,0 +1,20 @@
+{ lib, buildPythonPackage, fetchPypi, }:
+
+buildPythonPackage rec {
+  pname = "pyasn1";
+  version = "0.4.8";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "aef77c9fb94a3ac588e87841208bdec464471d9871bd5050a287cc9a475cd0ba";
+  };
+
+  pythonImportsCheck = [ "pyasn1" ];
+
+  meta = with lib; {
+    description = "Generic ASN.1 library for Python";
+    homepage = "https://github.com/etingof/pyasn1";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ SuperSandro2000 ];
+  };
+}