prebuilt.conf: updating FULL_BINHOST

Change-Id: I1b6876980409b27977d4e2bdd4909f2cf8573121
diff --git a/overlay-tatl/prebuilt.conf b/overlay-tatl/prebuilt.conf
index b91c460..3ba35c4 100644
--- a/overlay-tatl/prebuilt.conf
+++ b/overlay-tatl/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="gs://chromeos-prebuilt/board/tatl/full-R75-12056.0.0-rc1/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/tatl/full-R75-12056.0.0-rc2/packages/"