prebuilt.conf: updating FULL_BINHOST

Change-Id: I829ba184cf669cd68d2d420cb333d4911f112975
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/board-overlays/+/2276458
diff --git a/overlay-kevin64/prebuilt.conf b/overlay-kevin64/prebuilt.conf
index 76fd1cd..2a46821 100644
--- a/overlay-kevin64/prebuilt.conf
+++ b/overlay-kevin64/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="gs://chromeos-prebuilt/board/kevin64/full-R86-13317.0.0-rc1/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/kevin64/full-R86-13317.0.0-rc2/packages/"