Add METADATA to vboot_reference: BSD=NOTICE am: a5ee70c3bc am: b6b998eb94 am: d8055f64e3 am: c7d0e1ca35

Change-Id: I4c9a7be056d70ad4932cf937636fb07fdbbd8224
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
+}