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/solax/default.nix

@@ -0,0 +1,41 @@
+{ lib
+, aiohttp
+, buildPythonPackage
+, fetchPypi
+, pytest-asyncio
+, pytest-cov
+, pytest-httpserver
+, pytestCheckHook
+, setuptools-scm
+, voluptuous
+}:
+
+buildPythonPackage rec {
+  pname = "solax";
+  version = "0.2.9";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "e66db0c5d4ec840b047e574f0325ea01862d1f5563a844510541b35faa55f392";
+  };
+
+  nativeBuildInputs = [ setuptools-scm ];
+
+  propagatedBuildInputs = [ aiohttp voluptuous ];
+
+  checkInputs = [
+    pytest-asyncio
+    pytest-cov
+    pytest-httpserver
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [ "solax" ];
+
+  meta = with lib; {
+    description = "Python wrapper for the Solax Inverter API";
+    homepage = "https://github.com/squishykid/solax";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ fab ];
+  };
+}