[PATCH][yocto-docs] dev-manual-qemu.xml: Add kvm-vhost option.

["Aníbal Limón" <anibal.limon@linux.intel.com>]

Since 2.0 release KVM mode don't require VHOST enablement [1]
and a new option was added to support the old mode.

[1] http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=eebcbe19b7

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
---
 documentation/dev-manual/dev-manual-qemu.xml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/documentation/dev-manual/dev-manual-qemu.xml b/documentation/dev-manual/dev-manual-qemu.xml
index ccc915f..68d60e3 100644
--- a/documentation/dev-manual/dev-manual-qemu.xml
+++ b/documentation/dev-manual/dev-manual-qemu.xml
@@ -219,6 +219,13 @@
                             The  build host <filename>/dev/kvm</filename>
                             directory has to be both writable and readable.
                             </para></listitem>
+                    </itemizedlist>
+                    </para></listitem>
+                <listitem><para><filename>kvm-vhost</filename>:
+                    Enables KVM with VHOST support when running "qemux86" or "qemux86-64"
+                    QEMU architectures.
+                    For KVM with VHOST to work, the conditions from kvm option must be met also:
+                    <itemizedlist>
                         <listitem><para>
                             The build host <filename>/dev/vhost-net</filename>
                             directory has to be either readable or writable
-- 
2.1.4