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/pysmt/default.nix

@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "pysmt";
+  version = "0.9.1.dev132";
+  format = "wheel"; # dev versions are only distributed as wheels
+
+  src = fetchPypi {
+    pname = "PySMT";
+    inherit format version;
+    sha256 = "01iqs7yzms3alf1rdv0gnsnmfp7g8plkjcdqbari258zp4llf6x7";
+  };
+
+  # No tests present, only GitHub release which is 0.9.0
+  doCheck = false;
+
+  pythonImportsCheck = [ "pysmt" ];
+
+  meta = with lib; {
+    description = "Python library for SMT formulae manipulation and solving";
+    homepage = "https://github.com/pysmt/pysmt";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}