prebuilt.conf: updating FULL_BINHOST

Change-Id: Ie5d8fec383b1ee666a7c1d3468d0571be4d74807
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/board-overlays/+/2276476
diff --git a/overlay-arm64-generic/prebuilt.conf b/overlay-arm64-generic/prebuilt.conf
index 3d12649..e89602e 100644
--- a/overlay-arm64-generic/prebuilt.conf
+++ b/overlay-arm64-generic/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="gs://chromeos-prebuilt/board/arm64-generic/full-R86-13317.0.0-rc1/packages/"
+FULL_BINHOST="gs://chromeos-prebuilt/board/arm64-generic/full-R86-13317.0.0-rc2/packages/"