[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/connectivity/bt_others/boots/NOTE b/src/connectivity/bt_others/boots/NOTE
new file mode 100644
index 0000000..2e342a8
--- /dev/null
+++ b/src/connectivity/bt_others/boots/NOTE
@@ -0,0 +1,12 @@
+[1.6.x]
+    * Support MT8167
+
+[1.5.x]
+    * Add script file support
+
+[1.4.x]
+    * Currently, 1.4.x supports
+        - stpbt interface
+        - RAW data input
+        - hci interface
+        - Modular command set