docs: add missing lists

Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@intel.com>

docs/relnotes/11.0.0.html

@@ -252,7 +252,9 @@ Note: some of the new features are only available with certain drivers.
 
 <h2>Changes</h2>
 
+<ul>
 <li>Removed the EGL loader from the Linux SCons build.</li>
+</ul>
 
 </div>
 </body>

docs/relnotes/11.1.0.html

@@ -274,7 +274,9 @@ Note: some of the new features are only available with certain drivers.
 
 <h2>Changes</h2>
 
+<ul>
 <li>MPEG4 decoding has been disabled by default in the VAAPI driver</li>
+</ul>
 
 </div>
 </body>