Update FULL_BINHOST="https://commondatastorage.googleapis.com/chromeos-prebuilt/board/tegra2/full-29.05.12.100621/packages/" in /b/cbuild/src/overlays/overlay-tegra2/prebuilt.conf

Change-Id: I4cbd582f4982a8e1d6daa1ac127b0955589cde04
diff --git a/overlay-tegra2/prebuilt.conf b/overlay-tegra2/prebuilt.conf
index abd3885..9d2370c 100644
--- a/overlay-tegra2/prebuilt.conf
+++ b/overlay-tegra2/prebuilt.conf
@@ -1 +1 @@
-FULL_BINHOST="https://commondatastorage.googleapis.com/chromeos-prebuilt/board/tegra2/full-29.05.12.093104/packages/"
+FULL_BINHOST="https://commondatastorage.googleapis.com/chromeos-prebuilt/board/tegra2/full-29.05.12.100621/packages/"