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/srp/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, six
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "srp";
+  version = "1.0.19";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-SOZT6MP1kJCbpAcwbrLoRgosfR+GxWvOWc9Cr1T/XSo=";
+  };
+
+  propagatedBuildInputs = [
+    six
+  ];
+
+  # Tests ends up with libssl.so cannot load shared
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "srp"
+  ];
+
+  meta = with lib; {
+    description = "Implementation of the Secure Remote Password protocol (SRP)";
+    longDescription = ''
+     This package provides an implementation of the Secure Remote Password protocol (SRP).
+     SRP is a cryptographically strong authentication protocol for password-based, mutual authentication over an insecure network connection.
+    '';
+    homepage = "https://github.com/cocagne/pysrp";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jefflabonte ];
+  };
+}