Doc: Update maintainers list

Change-Id: Ia39f53f657ab6ef6ebddde560ec006f8c91152c1
Signed-off-by: Ashutosh Singh <ashutosh.singh@arm.com>
diff --git a/maintainers.rst b/maintainers.rst
index ec7251a..8a09445 100644
--- a/maintainers.rst
+++ b/maintainers.rst
@@ -36,9 +36,9 @@
 Secure Storage
 ~~~~~~~~~~~~~~
 
-Marc Moreno Berengue
-    :email: `marc.morenoberengue@arm.com <marc.morenoberengue@arm.com>`__
-    :github: `mmorenobarm <https://github.com/mmorenobarm>`__
+Jamie Fox
+    :email: `jamie.fox@arm.com <jamie.fox@arm.com>`__
+    :github: `jf549 <https://github.com/jf549>`__
 
 Crypto
 ~~~~~~