VOL-2630 Release voltha-openonu-adapter 2.3.2

Change-Id: Iadb619a27ff6180e3770d3bfa84fd646a1e2dd19
diff --git a/VERSION b/VERSION
index 4074260..f90b1af 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.3.2-dev
+2.3.2