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/reason/tests/hello/default.nix

@@ -0,0 +1,23 @@
+{ lib, buildDunePackage, reason }:
+
+buildDunePackage rec {
+  pname = "helloreason";
+  version = "0.0.1";
+
+  src = ./.;
+
+  useDune2 = true;
+
+  buildInputs = [
+    reason
+  ];
+
+  doCheck = true;
+
+  doInstallCheck = true;
+  postInstallCheck = ''
+    $out/bin/${pname} | grep -q "Hello From Reason" > /dev/null
+  '';
+
+  meta.timeout = 60;
+}