news: Update news for PCI address extension attributes

Signed-off-by: NYi Min Zhao <zyimin@linux.ibm.com>
Reviewed-by: NBoris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: NStefan Zimmermann <stzi@linux.ibm.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NAndrea Bolognani <abologna@redhat.com>

docs/news.xml

@@ -44,6 +44,17 @@
           for Windows and Hyper-V guests.
         </description>
       </change>
+      <change>
+        <summary>
+          qemu: Added support for PCI devices on S390
+        </summary>
+        <description>
+          PCI addresses can now include the new zpci element which contains
+          uid (user-defined identifier) and fid (PCI function identifier)
+          attributes and makes the corresponding devices usable by S390
+          guests.
+        </description>
+      </change>
     </section>
     <section title="Improvements">
     </section>