Update gold README.chromium to match install-build-deps.sh.

Rather than a script, I think instructions are simpler.
Review URL: https://chromiumcodereview.appspot.com/9328022

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/gold@120645 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/README.chromium b/README.chromium
index f751e6b..02044a1 100644
--- a/README.chromium
+++ b/README.chromium
@@ -4,8 +4,13 @@
 
 Description:
 This directory contains a binary of the gold linker from GNU binutils.
-It was built from binutils-2.21.1 on 64-bit Ubuntu Lucid with configure as:
-  ./configure --enable-gold=default --enable-threads
+It was built from binutils-2.21.1 on 64-bit Ubuntu Lucid as follows:
+
+1) Fetch tarball: http://ftp.gnu.org/gnu/binutils/binutils-2.21.1.tar.bz2
+2) Unpack, then
+    ./configure --enable-gold=default --enable-threads
+3) make maybe-all-gold; strip gold/ld-new
+4) mv gold/ld-new path/to/this/dir/gold64
 
 (ld.bfd is a forwarding script that is in place because the NaCl build
 depends on there being a script with that name in the same directory as