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>

nixos/lib/test-driver/setup.py

@@ -0,0 +1,13 @@
+from setuptools import setup, find_packages
+
+setup(
+  name="nixos-test-driver",
+  version='1.1',
+  packages=find_packages(),
+  entry_points={
+    "console_scripts": [
+      "nixos-test-driver=test_driver:main",
+      "generate-driver-symbols=test_driver:generate_driver_symbols"
+    ]
+  },
+)