doc: Final, pre-release fixes and updates

A small set of misc changes to ensure correctness before the v2.2
release tagging.

Change-Id: I888840b9483ea1a1633d204fbbc0f9594072101e
Signed-off-by: Paul Beesley <paul.beesley@arm.com>
diff --git a/docs/getting_started/user-guide.rst b/docs/getting_started/user-guide.rst
index 3dd23e5..9876531 100644
--- a/docs/getting_started/user-guide.rst
+++ b/docs/getting_started/user-guide.rst
@@ -1764,6 +1764,7 @@
 -  ``FVP_Base_Cortex-A76AEx8``
 -  ``FVP_Base_Cortex-A77x4`` (Version 11.7 build 36)
 -  ``FVP_Base_Neoverse-N1x4``
+-  ``FVP_Base_Zeusx4``
 -  ``FVP_CSS_SGI-575`` (Version 11.3 build 42)
 -  ``FVP_CSS_SGM-775`` (Version 11.3 build 42)
 -  ``FVP_RD_E1Edge`` (Version 11.3 build 42)