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/compilers/openjdk/tests/test_jre_minimal.nix

@@ -0,0 +1,16 @@
+{ runCommand
+, callPackage
+, jdk
+, jre_minimal
+}:
+
+let
+  hello = callPackage ./hello.nix {
+    jdk = jdk;
+    jre = jre_minimal;
+  };
+in
+  runCommand "test" {} ''
+    ${hello}/bin/hello | grep "Hello, world!"
+    touch $out
+  ''