Update to KERNEL_DEVICETREE variable.

Corrected the requirements for the KERNEL_DEVCIETREE
variable example.

(From yocto-docs rev: 0502910c81f4d669457155ed5f52d5fa775d8d6d)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 9 deletions

diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 9470a780aa..6b2097ef34 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -7580,15 +7580,9 @@
                         However, providing just the <filename>.dtb</filename>
                         file is preferred.
                     </note>
-                    In order to use this variable, you must have the include
-                    files in your kernel recipe:
-                    <literallayout class='monospaced'>
-     require recipes-kernel/linux/linux-dtb.inc
-                    </literallayout>
-                    or
-                    <literallayout class='monospaced'>
-     require recipes-kernel/linux/linux-yocto.inc
-                    </literallayout>
+                    In order to use this variable, the
+                    <link linkend='ref-classes-kernel-devicetree'><filename>kernel-devicetree</filename></link>
+                    class must be inherited.
                 </para>
             </glossdef>
         </glossentry>