Add METADATA to vboot_reference: BSD=NOTICE am: a5ee70c3bc am: b6b998eb94 am: d8055f64e3

Change-Id: I841abe55bf5ad9f8bf8fe0a06d4554adaf0f140f
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..d97975c
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,3 @@
+third_party {
+  license_type: NOTICE
+}