meta-google: Add wltu as Maintainer

Change-Id: Ia2ff2feefd083e64756f3d135083aec0b97eb07e
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/meta-google/MAINTAINERS b/meta-google/MAINTAINERS
index 7b9b8f0..a10fd3a 100644
--- a/meta-google/MAINTAINERS
+++ b/meta-google/MAINTAINERS
@@ -47,3 +47,4 @@
 M:  Benjamin Fair <benjaminfair@google.com> <benjaminfair!>
 M:  Ed Tanous <edtanous@google.com> <edtanous!>
 M:  Brandon Kim <brandonkim@google.com> <brandonk!>
+M:  Willy Tu <wltu@google.com> <wltu!>
diff --git a/meta-google/OWNERS b/meta-google/OWNERS
index 6608f2e..4a63ee6 100644
--- a/meta-google/OWNERS
+++ b/meta-google/OWNERS
@@ -4,3 +4,4 @@
 - benjaminfair@google.com
 - edtanous@google.com
 - brandonkim@google.com
+- wltu@google.com