Maintainer role: Mention the maintainer mailing list

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I905602b8e7207ddb6931edc5fd7cf71942599c8a
diff --git a/Documentation/dev-roles.txt b/Documentation/dev-roles.txt
index b039489..52b7854 100644
--- a/Documentation/dev-roles.txt
+++ b/Documentation/dev-roles.txt
@@ -199,6 +199,7 @@
 * create events in the
   link:https://calendar.google.com/calendar?cid=Z29vZ2xlLmNvbV91YmIxcGxhNmlqNzg1b3FianI2MWg0dmRpc0Bncm91cC5jYWxlbmRhci5nb29nbGUuY29t[
   community calendar]
+* discuss with other maintainers on the maintainer mailing list
 
 In addition, maintainers from Google can: