Schedule 'wimax' test suite nightly.

BUG=chromium:323564
TEST=`suite_scheduler.py --sanity`

Change-Id: Id35947a385cb4d691c63580c0c5ea924e5afcb94
Reviewed-on: https://chromium-review.googlesource.com/180582
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Alex Miller <milleral@chromium.org>
Commit-Queue: Ben Chan <benchan@chromium.org>
diff --git a/suite_scheduler.ini b/suite_scheduler.ini
index 7b781a3..23828f8 100644
--- a/suite_scheduler.ini
+++ b/suite_scheduler.ini
@@ -254,6 +254,12 @@
 branch_specs: >=R29
 pool: wificell
 
+[WiMAX]
+run_on: nightly
+suite: wimax
+branch_specs: >=R33
+pool: wimax
+
 [SecurityWeekly]
 run_on: weekly
 suite: security_weekly