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/php/pcre.nix

@@ -0,0 +1,42 @@
+let
+  testString = "can-use-subgroups";
+in
+import ../make-test-python.nix ({ lib, php, ... }: {
+  name = "php-${php.version}-httpd-pcre-jit-test";
+  meta.maintainers = lib.teams.php.members;
+
+  nodes.machine = { lib, pkgs, ... }: {
+    time.timeZone = "UTC";
+    services.httpd = {
+      enable = true;
+      adminAddr = "please@dont.contact";
+      phpPackage = php;
+      enablePHP = true;
+      phpOptions = "pcre.jit = true";
+      extraConfig =
+        let
+          testRoot = pkgs.writeText "index.php"
+            ''
+              <?php
+              preg_match('/(${testString})/', '${testString}', $result);
+              var_dump($result);
+            '';
+        in
+        ''
+          Alias / ${testRoot}/
+
+          <Directory ${testRoot}>
+            Require all granted
+          </Directory>
+        '';
+    };
+  };
+  testScript = { ... }:
+    ''
+      machine.wait_for_unit("httpd.service")
+      # Ensure php evaluation by matching on the var_dump syntax
+      response = machine.succeed("curl -fvvv -s http://127.0.0.1:80/index.php")
+      expected = 'string(${toString (builtins.stringLength testString)}) "${testString}"'
+      assert expected in response, "Does not appear to be able to use subgroups."
+    '';
+})