Add vmauery to the sdbusplus maintainer list

Vernon has been an active reviewer gerrit for sdbusplus commits as well
as submitting a small pile of commits himself. Also, having more than
one maintainer for a project is good for redundancy. Vernon threw his
hat in the ring and William OK'd it.

Change-Id: I4ee8612493c394ad8cdec68e73e9a3d9bf9d4b45
Signed-off-by: Vernon Mauery <vernon.mauery@linux.intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 572d444..b9fc59d9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -43,6 +43,7 @@
 -------------------------
 
 M:  William Kennington <wak@google.com> <wak-work!>
+M:  Vernon Mauery <vernon.mauery@intel.com> <vmauery!>
 R:  Brad Bishop <bradleyb@fuzziesquirrel.com> <radsquirrel!>
 R:  Adriana Kobylak <anoo@us.ibm.com> <anoo!>
 R:  Deepak Kodihalli <dkodihal@linux.vnet.ibm.com> <dkodihal!>