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/misc/docker-sync/Gemfile.lock

@@ -0,0 +1,29 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    backticks (1.0.2)
+    daemons (1.3.1)
+    docker-compose (1.1.10)
+      backticks (~> 1.0)
+    docker-sync (0.5.9)
+      daemons (~> 1.2, >= 1.2.3)
+      docker-compose (~> 1.1, >= 1.1.7)
+      dotenv (~> 2.1, >= 2.1.1)
+      gem_update_checker (~> 0.2.0, >= 0.2.0)
+      os
+      terminal-notifier (= 2.0.0)
+      thor (~> 0.20, >= 0.20.0)
+    dotenv (2.6.0)
+    gem_update_checker (0.2.0)
+    os (1.0.0)
+    terminal-notifier (2.0.0)
+    thor (0.20.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  docker-sync!
+
+BUNDLED WITH
+   2.1.4