Changed TARGET_TRIPLET to LFS_TGT to match the contents of Chapter 4- Setting Up the Environment.

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@8916 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

chapter05/toolchaintechnotes.xml

@@ -84,7 +84,7 @@
 
   <para>Binutils installs its assembler and linker in two locations,
   <filename class="directory">/tools/bin</filename> and <filename
-  class="directory">/tools/$TARGET_TRIPLET/bin</filename>. The tools in one
+  class="directory">/tools/$LFS_TGT/bin</filename>. The tools in one
   location are hard linked to the other. An important facet of the linker is
   its library search order. Detailed information can be obtained from
   <command>ld</command> by passing it the <parameter>--verbose</parameter>