VOL-5244 - branch and release voltha-protos.

.gitreview
----------
  o repo:voltha-protos is of the tag-then-branch-from-tag release flavor.
  o 25589d8 (HEAD -> voltha-2.12, tag: v2.12.0, origin/voltha-2.12)
  o Update release .gitreview default branch to voltha-2.12

Change-Id: I29d607b8187465ffe26e88af9f76c48b4e241fc2
diff --git a/.gitreview b/.gitreview
index 299df2e..81f6fe5 100755
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=voltha-protos.git
 defaultremote=origin
-defaultbranch=master
\ No newline at end of file
+defaultbranch=voltha-2.12
diff --git a/VERSION b/VERSION
index ee9662e..b01dcc1 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.4.10
+5.4.11
\ No newline at end of file