prebuilt.conf: updating FULL_BINHOST

Change-Id: I80f4ef5c78154d3d7d449e1d6ccc8bef2af7858f
diff --git a/overlay-tatl/prebuilt.conf b/overlay-tatl/prebuilt.conf
index 5385b6d..85758d2 100644
--- a/overlay-tatl/prebuilt.conf
+++ b/overlay-tatl/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="gs://chromeos-prebuilt/board/tatl/full-R75-12058.0.0-rc1/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/tatl/full-R75-12058.0.0-rc2/packages/"