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/pygpgme/default.nix

@@ -0,0 +1,25 @@
+{ lib, buildPythonPackage, fetchurl, isPyPy
+, gpgme }:
+
+buildPythonPackage rec {
+  version = "0.3";
+  pname = "pygpgme";
+  disabled = isPyPy;
+
+  src = fetchurl {
+    url = "https://launchpad.net/pygpgme/trunk/${version}/+download/${pname}-${version}.tar.gz";
+    sha256 = "5fd887c407015296a8fd3f4b867fe0fcca3179de97ccde90449853a3dfb802e1";
+  };
+
+  # error: invalid command 'test'
+  doCheck = false;
+
+  propagatedBuildInputs = [ gpgme ];
+
+  meta = with lib; {
+    homepage = "https://launchpad.net/pygpgme";
+    description = "A Python wrapper for the GPGME library";
+    license = licenses.lgpl21;
+    maintainers = with maintainers; [ ];
+  };
+}