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/pyfiglet/default.nix

@@ -0,0 +1,19 @@
+{ lib, buildPythonPackage, fetchPypi }:
+
+buildPythonPackage rec {
+  version = "0.8.post1";
+  pname = "pyfiglet";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "c6c2321755d09267b438ec7b936825a4910fec696292139e664ca8670e103639";
+  };
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "FIGlet in pure Python";
+    license     = licenses.gpl2Plus;
+    maintainers = with maintainers; [ thoughtpolice ];
+  };
+}