Update ICU to 54.1 step 1

source/data/zone/en_BW.txt

Index: source/data/zone/en_BW.txt
diff --git a/source/data/zone/en_BW.txt b/source/data/zone/en_BW.txt
index 4c0e36d5927fb966db250e00da3c3d1c7db5ab28..9577e8f58234e377866d2166be93312a844916b5 100755
--- a/source/data/zone/en_BW.txt
+++ b/source/data/zone/en_BW.txt
@@ -1,6 +1,6 @@
 // ***************************************************************************
 // *
-// * Copyright (C) 2013 International Business Machines
+// * Copyright (C) 2014 International Business Machines
 // * Corporation and others. All Rights Reserved.
 // * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
 // * Source File: <path>/common/main/en_BW.xml
@@ -8,7 +8,7 @@
 // ***************************************************************************
 en_BW{
     %%Parent{"en_001"}
-    Version{"2.0.92.80"}
+    Version{"2.1.6.69"}
     zoneStrings{
         "meta:Africa_Central"{
             ss{"CAT"}