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/plasma5.nix

@@ -0,0 +1,61 @@
+import ./make-test-python.nix ({ pkgs, ...} :
+
+{
+  name = "plasma5";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ ttuegel ];
+  };
+
+  nodes.machine = { ... }:
+
+  {
+    imports = [ ./common/user-account.nix ];
+    services.xserver.enable = true;
+    services.xserver.displayManager.sddm.enable = true;
+    services.xserver.displayManager.defaultSession = "plasma";
+    services.xserver.desktopManager.plasma5.enable = true;
+    services.xserver.displayManager.autoLogin = {
+      enable = true;
+      user = "alice";
+    };
+    hardware.pulseaudio.enable = true; # needed for the factl test, /dev/snd/* exists without them but udev doesn't care then
+  };
+
+  testScript = { nodes, ... }: let
+    user = nodes.machine.config.users.users.alice;
+    xdo = "${pkgs.xdotool}/bin/xdotool";
+  in ''
+    with subtest("Wait for login"):
+        start_all()
+        machine.wait_for_file("${user.home}/.Xauthority")
+        machine.succeed("xauth merge ${user.home}/.Xauthority")
+
+    with subtest("Check plasmashell started"):
+        machine.wait_until_succeeds("pgrep plasmashell")
+        machine.wait_for_window("^Desktop ")
+
+    with subtest("Check that KDED is running"):
+        machine.succeed("pgrep kded5")
+
+    with subtest("Check that logging in has given the user ownership of devices"):
+        machine.succeed("getfacl -p /dev/snd/timer | grep -q ${user.name}")
+
+    with subtest("Run Dolphin"):
+        machine.execute("su - ${user.name} -c 'DISPLAY=:0.0 dolphin >&2 &'")
+        machine.wait_for_window(" Dolphin")
+
+    with subtest("Run Konsole"):
+        machine.execute("su - ${user.name} -c 'DISPLAY=:0.0 konsole >&2 &'")
+        machine.wait_for_window("Konsole")
+
+    with subtest("Run systemsettings"):
+        machine.execute("su - ${user.name} -c 'DISPLAY=:0.0 systemsettings5 >&2 &'")
+        machine.wait_for_window("Settings")
+
+    with subtest("Wait to get a screenshot"):
+        machine.execute(
+            "${xdo} key Alt+F1 sleep 10"
+        )
+        machine.screenshot("screen")
+  '';
+})