Update gold linker to binutils 23.1 

Rebuilt gold32 and gold64 inside i386 and amd64 lucid 
chroots. 

This fixes a bug in the arm linker which causes a 
chrome crash on startup. 

BUG=127646
Review URL: http://codereview.chromium.org/11363231/
Patch by Sam Clegg <sbc@chromium.org>!

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/gold@167975 4ff67af0-8c30-449e-8e8b-ad334ec8d88c