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>

pkgs/development/ruby-modules/bundler-env/test.nix

@@ -0,0 +1,33 @@
+{ callPackage, test, stubs, should}:
+let
+  bundlerEnv = callPackage ./default.nix stubs // {
+    basicEnv = callPackage ../bundled-common stubs;
+  };
+
+  justName = bundlerEnv {
+    name = "test-0.1.2";
+    gemset = ./test/gemset.nix;
+  };
+
+  pnamed = bundlerEnv {
+    pname = "test";
+    gemdir = ./test;
+    gemset = ./test/gemset.nix;
+    gemfile = ./test/Gemfile;
+    lockfile = ./test/Gemfile.lock;
+  };
+in
+  builtins.concatLists [
+    (test.run "bundlerEnv { name }" justName {
+      name = should.equal "test-0.1.2";
+    })
+    (test.run "bundlerEnv { pname }" pnamed
+    [
+      (should.haveKeys [ "name" "env" "postBuild" ])
+      {
+        name = should.equal "test-0.1.2";
+        env = should.beASet;
+        postBuild = should.havePrefix "/nix/store";
+      }
+    ])
+  ]