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/aiomysql/default.nix

@@ -0,0 +1,46 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pymysql
+, pythonOlder
+, setuptools-scm
+, setuptools-scm-git-archive
+}:
+
+buildPythonPackage rec {
+  pname = "aiomysql";
+  version = "0.1.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "aio-libs";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-TNaQ4EKiHwSmPpUco0pA5SBP3fljWQ/Kd5RLs649fu0=";
+  };
+
+  nativeBuildInputs = [
+    setuptools-scm
+    setuptools-scm-git-archive
+  ];
+
+  propagatedBuildInputs = [
+    pymysql
+  ];
+
+  # Tests require MySQL database
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "aiomysql"
+  ];
+
+  meta = with lib; {
+    description = "MySQL driver for asyncio";
+    homepage = "https://github.com/aio-libs/aiomysql";
+    license = licenses.mit;
+    maintainers = with maintainers; [ costrouc ];
+  };
+}