MAINTAINERS: Add William Tu.
William was elected by the Open vSwitch committers today.  Welcome to
the team, William!
Acked-by: Simon Horman
@@ -75,6 +75,8 @@ This is the current list of active Open vSwitch committers:
- horms@ovn.org
* - Thomas Graf
- tgraf@noironetworks.com
+ * - William Tu
+ - u9012063@gmail.com
* - YAMAMOTO Takashi
- yamamoto@midokura.com
