MAINTAINERS: update email/discord ID for Tom

Signed-off-by: Tom Joseph <rushtotom@gmail.com>
Change-Id: If8cdd7c7a986c8ba300b420adbae2423ce832ebf
diff --git a/MAINTAINERS b/MAINTAINERS
index f70818f..d3d3065 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -43,4 +43,4 @@
 -------------------------
 
 M:  Vernon Mauery <vernon.mauery@linux.intel.com> <vmauery!>
-M:  Tom Joseph <tomjose@linux.vnet.ibm.com> <tomjoseph!>
+M:  Tom Joseph <rushtotom@gmail.com> <tomjose!>