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/azure-mgmt-billing/default.nix

@@ -0,0 +1,44 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, msrestazure
+, azure-common
+, azure-mgmt-core
+, azure-mgmt-nspkg
+}:
+
+buildPythonPackage rec {
+  pname = "azure-mgmt-billing";
+  version = "6.0.0"; #pypi's 0.2.0 doesn't build ootb
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "d4f5c5a4188a456fe1eb32b6c45f55ca2069c74be41eb76921840b39f2f5c07f";
+    extension = "zip";
+  };
+
+  propagatedBuildInputs = [
+    msrestazure
+    azure-common
+    azure-mgmt-core
+    azure-mgmt-nspkg
+  ];
+
+  preBuild = ''
+    rm -rf azure_bdist_wheel.py
+    substituteInPlace setup.cfg \
+      --replace "azure-namespace-package = azure-mgmt-nspkg" ""
+  '';
+
+  pythonNamespaces = [ "azure.mgmt" ];
+
+  # has no tests
+  doCheck = false;
+
+  meta = with lib; {
+    description = "This is the Microsoft Azure Billing Client Library";
+    homepage = "https://github.com/Azure/azure-sdk-for-python";
+    license = licenses.mit;
+    maintainers = with maintainers; [ maxwilson ];
+  };
+}