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/soapui.nix

@@ -0,0 +1,24 @@
+import ./make-test-python.nix ({ pkgs, ... }: {
+  name = "soapui";
+  meta = with pkgs.lib.maintainers; {
+    maintainers = [ asbachb ];
+  };
+
+  nodes.machine = { config, pkgs, ... }: {
+    imports = [
+      ./common/x11.nix
+    ];
+
+    services.xserver.enable = true;
+
+    environment.systemPackages = [ pkgs.soapui ];
+  };
+
+  testScript = ''
+    machine.wait_for_x()
+    machine.succeed("soapui >&2 &")
+    machine.wait_for_window(r"SoapUI \d+\.\d+\.\d+")
+    machine.sleep(1)
+    machine.screenshot("soapui")
+  '';
+})