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/interpreters/ruby/rubygems/0002-binaries-with-env-shebang.patch

@@ -0,0 +1,28 @@
+From 2e1328bcdddd35e557eabdff83ac07f3591dc693 Mon Sep 17 00:00:00 2001
+From: zimbatm <zimbatm@zimbatm.com>
+Date: Wed, 21 Sep 2016 19:37:05 +0100
+Subject: [PATCH 2/3] binaries with env shebang
+
+By default, don't point to the absolute ruby derivation path. As a user
+installing a gem in the home, it would freeze the selected ruby version
+to the currently-installed ruby derivation.
+---
+ lib/rubygems/dependency_installer.rb | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/rubygems/dependency_installer.rb b/lib/rubygems/dependency_installer.rb
+index 34620860..00ab31d9 100644
+--- a/lib/rubygems/dependency_installer.rb
++++ b/lib/rubygems/dependency_installer.rb
+@@ -18,7 +18,7 @@ class Gem::DependencyInstaller
+   extend Gem::Deprecate
+ 
+   DEFAULT_OPTIONS = { # :nodoc:
+-    :env_shebang         => false,
++    :env_shebang         => true,
+     :document            => %w[ri],
+     :domain              => :both, # HACK dup
+     :force               => false,
+-- 
+2.21.0
+