Initial version of BLE support for Bluedroid

Change-Id: I9825a5cef9be2559c34c2a529b211b7d471147cf
diff --git a/include/bte.h b/include/bte.h
index 103b660..968b68a 100644
--- a/include/bte.h
+++ b/include/bte.h
@@ -100,9 +100,12 @@
 /* Protocol trace mask */
 extern UINT32 bte_proto_trace_mask;
 
-/* Version string */
+/* BTE version string */
 extern const UINT8 bte_version_string[];
 
+/* BTIF version string */
+extern const UINT8 btif_version_string[];
+
 typedef struct tBAUD_REG_tag {
     UINT8 DHBR;
     UINT8 DLBR;