support for rlt-1600g-w and rlt-1600x-w in GPON mode

Change-Id: Ib230d3e336043980eb00427384a49cb8bd386bb2

VOL-4151: Code improvement to use static const instead of static
to allow for compiler optimization.
Also fixed SECURITY.md document as the sample commands were not
ready for copy/paste earlier.

Change-Id: I7fdfa03ed3e6677466fb78b8ea8532d4f5c0a6da

Changes made to upgrade BAL from 3.4.9.8 to 3.4.9.9 for rlt-1600g/x-w and rlt-3200g-w

Change-Id: I2baa09074a43703b7ca22625592d28b03863a06c

VOL-4268: Migration to BAL3.4.9.9 for voltha master and 2.8 branch

Change-Id: I66c77149524f2592fb018a3bc00dc9c8a8f94153
diff --git a/agent/device/rlt-1600x-w/mkdebian/debian/changelog b/agent/device/rlt-1600x-w/mkdebian/debian/changelog
new file mode 100644
index 0000000..c604cc1
--- /dev/null
+++ b/agent/device/rlt-1600x-w/mkdebian/debian/changelog
@@ -0,0 +1,7 @@
+rlt-1600x-w (3.4.9.9+radisys-V20210727) stable; urgency=high
+
+    * Based on code from SW-BCM686OLT_3_4_9_9.tgz.
+    * Patches required for BAL to support RLT-1600X-W has been merged to
+      PHOENIX_BAL_3.4.9.9_V20210727.patch.
+
+ -- Naresh Kumar Palanisamy <nakumar@radisys.com>  Tue, 27 JUL 2021 09:30:00 +0400