MAINTAINERS: venture M->R

Reduced cycles for the foreseeable future, reducing my role to
interested reviewer.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I5bed6adf237bfd1bb67f9f3621791f9d54935d57
diff --git a/MAINTAINERS b/MAINTAINERS
index e4bb01f..0c32b04 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -42,5 +42,5 @@
 START OF MAINTAINERS LIST
 -------------------------
 
-M:  Patrick Venture <venture@google.com> <venture!>
 M:  William Kennington <wak@google.com> <wak-work!>
+R:  Patrick Venture <venture@google.com> <venture!>