documentation/kernel-manual/kernel-how-to.xml: Updated to kernel 3.4

According to Bruce Ashfield, we will be using linux-yocto-3.4.  So
I changed the linux-yocto-3.0 strings to linux-yocto-3.4.

(From yocto-docs rev: 23df0251b04ed7c31ad2297a4a7870861554beef)

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

documentation/kernel-manual/kernel-how-to.xml

@@ -46,9 +46,9 @@
             You can find the files used to describe all the valid features and BSPs 
             in the Yocto Project kernel in any clone of the Linux Yocto kernel source repository Git tree.
             For example, the following command clones the Yocto Project baseline kernel that 
-            branched off of <filename>linux.org</filename> version 3.0:
+            branched off of <filename>linux.org</filename> version 3.4:
             <literallayout class='monospaced'>
-     $ git clone git://git.yoctoproject.org/linux-yocto-3.0
+     $ git clone git://git.yoctoproject.org/linux-yocto-3.4
             </literallayout>
             For another example of how to set up a local Git repository of the Linux Yocto 
             kernel files, see the 
@@ -58,9 +58,9 @@
             Once you have cloned the kernel Git repository on your local machine, you can 
             switch to the <filename>meta</filename> branch within the repository.
             Here is an example that assumes the local Git repository for the kernel is in 
-            a top-level directory named <filename>linux-yocto-3.0</filename>:
+            a top-level directory named <filename>linux-yocto-3.4</filename>:
             <literallayout class='monospaced'>
-     $ cd ~/linux-yocto-3.0
+     $ cd ~/linux-yocto-3.4
      $ git checkout -b meta origin/meta
             </literallayout>
             Once you have checked out and switched to the <filename>meta</filename> branch,
@@ -598,9 +598,9 @@
                     <para>
                         For example, the following command pushes the changes from your local branch
                         <filename>yocto/standard/common-pc/base</filename> to the remote branch with the same name 
-                        in the master repository <filename>//git.mycompany.com/pub/git/kernel-3.0</filename>.
+                        in the master repository <filename>//git.mycompany.com/pub/git/kernel-3.4</filename>.
                         <literallayout class='monospaced'>
-     &gt; git push ssh://git.mycompany.com/pub/git/kernel-3.0 \
+     &gt; git push ssh://git.mycompany.com/pub/git/kernel-3.4 \
         yocto/standard/common-pc/base:yocto/standard/common-pc/base
                         </literallayout>
                     </para>