adt-manual: Reword for how user-space tools are provided.

The "User-Space Tools" section incorrectly stated that user-space
tools are provided as part of the distribution.  The Yocto
Project is not a distribution.  So I changed to say that they
are provided as part of the Yocto Project.

(From yocto-docs rev: 03dd97b68a1900959aa51ad6a17547822e8392fc)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/adt-manual/adt-intro.xml

@@ -127,7 +127,7 @@
         <title>User-Space Tools</title>
 
         <para>
-            User-space tools are included as part of the distribution.
+            User-space tools are included as part of the Yocto Project.
             You will find these tools helpful during development.
             The tools include LatencyTOP, PowerTOP, OProfile, Perf, SystemTap, and Lttng-ust.
             These tools are common development tools for the Linux platform.