MAINTAINERS: fix syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I06302e9a1ba8296852f4ee0c8bad53ec5214afd6
diff --git a/MAINTAINERS b/MAINTAINERS
index de6cc54..46f2ad3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -42,4 +42,4 @@
 START OF MAINTAINERS LIST
 -------------------------
 
-M:  Kuiying Wang <kuiying.wang@intel.com> <kuiyingw>
\ No newline at end of file
+M:  Kuiying Wang <kuiying.wang@intel.com> <kuiyingw!>