docs: Link the relevant SEV formatdomain section from formatdomaincaps

formatdomaincaps.html provides explanation of SEV fields, but doesn't
link to the domain XML docs to show how it can be actually used in
libvirt.
Signed-off-by: NErik Skultety <eskultet@redhat.com>

docs/formatdomaincaps.html.in

@@ -514,10 +514,19 @@
     encrypted with a key unique to that VM.</p>
 
     <p>
-    For more details on SEV feature see:
-      <a href="https://support.amd.com/TechDocs/55766_SEV-KM_API_Specification.pdf">
-        SEV API spec</a> and <a href="http://amd-dev.wpengine.netdna-cdn.com/wordpress/media/2013/12/AMD_Memory_Encryption_Whitepaper_v7-Public.pdf">
-        SEV White Paper</a>
+        For more details on the SEV feature and how to use it with libvirt have
+        a look at the following resources:
+      <dl>
+        <dd>
+          <a href="https://support.amd.com/TechDocs/55766_SEV-KM_API_Specification.pdf">SEV API spec</a>
+        </dd>
+        <dd>
+          <a href="http://amd-dev.wpengine.netdna-cdn.com/wordpress/media/2013/12/AMD_Memory_Encryption_Whitepaper_v7-Public.pdf">SEV White Paper</a>
+        </dd>
+        <dd>
+          <a href="formatdomain.html#launchSecurity">SEV in domain XML</a>
+        </dd>
+      </dl>
     </p>
 
     <dl>