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/tools/admin/puppet/puppet-bolt/default.nix

@@ -0,0 +1,13 @@
+{ bundlerApp, makeWrapper }:
+
+bundlerApp {
+  pname = "bolt";
+  gemdir = ./.;
+  exes = [ "bolt" ];
+  buildInputs = [ makeWrapper ];
+
+  postBuild = ''
+    # Set BOLT_GEM=1 to remove warning
+    wrapProgram $out/bin/bolt --set BOLT_GEM 1
+  '';
+}