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/tests/containers-hosts.nix

@@ -0,0 +1,49 @@
+import ./make-test-python.nix ({ pkgs, lib, ... }: {
+  name = "containers-hosts";
+  meta = {
+    maintainers = with lib.maintainers; [ montag451 ];
+  };
+
+  nodes.machine =
+    { lib, ... }:
+    {
+      virtualisation.vlans = [];
+
+      networking.bridges.br0.interfaces = [];
+      networking.interfaces.br0.ipv4.addresses = [
+        { address = "10.11.0.254"; prefixLength = 24; }
+      ];
+
+      # Force /etc/hosts to be the only source for host name resolution
+      environment.etc."nsswitch.conf".text = lib.mkForce ''
+        hosts: files
+      '';
+
+      containers.simple = {
+        autoStart = true;
+        privateNetwork = true;
+        localAddress = "10.10.0.1";
+        hostAddress = "10.10.0.254";
+
+        config = {};
+      };
+
+      containers.netmask = {
+        autoStart = true;
+        privateNetwork = true;
+        hostBridge = "br0";
+        localAddress = "10.11.0.1/24";
+
+        config = {};
+      };
+    };
+
+  testScript = ''
+    start_all()
+    machine.wait_for_unit("default.target")
+
+    with subtest("Ping the containers using the entries added in /etc/hosts"):
+        for host in "simple.containers", "netmask.containers":
+            machine.succeed(f"ping -n -c 1 {host}")
+  '';
+})