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/applications/misc/taskjuggler/3.x/Gemfile.lock

@@ -0,0 +1,21 @@
+GEM
+  remote: http://rubygems.org/
+  specs:
+    mail (2.6.3)
+      mime-types (>= 1.16, < 3)
+    mime-types (2.6.1)
+    taskjuggler (3.5.0)
+      mail (>= 2.4.3)
+      term-ansicolor (>= 1.0.7)
+    term-ansicolor (1.3.2)
+      tins (~> 1.0)
+    tins (1.6.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  taskjuggler
+
+BUNDLED WITH
+   2.1.4