Update ICU to 58.1

source/data/locales/mgo.txt

Index: source/data/locales/mgo.txt
diff --git a/source/data/locales/mgo.txt b/source/data/locales/mgo.txt
old mode 100755
new mode 100644
index f013ba7136bf6596973655277eb86d1b34cd4cf5..bc576a0e4b7c164cdece1e4f0c4c433c6018a9c0
--- a/source/data/locales/mgo.txt
+++ b/source/data/locales/mgo.txt
@@ -1,11 +1,5 @@
-// ***************************************************************************
-// *
-// * Copyright (C) 2015 International Business Machines
-// * Corporation and others. All Rights Reserved.
-// * Tool: org.unicode.cldr.icu.NewLdml2IcuConverter
-// * Source File: <path>/common/main/mgo.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 mgo{
     AuxExemplarCharacters{"[c h l q v x]"}
     Ellipsis{
@@ -44,7 +38,7 @@ mgo{
         }
         native{"latn"}
     }
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
     calendar{
         generic{
             DateTimePatterns{
@@ -74,6 +68,10 @@ mgo{
                 "AM",
                 "PM",
             }
+            AmPmMarkersAbbr{
+                "AM",
+                "PM",
+            }
             DateTimePatterns{
                 "HH:mm:ss zzzz",
                 "HH:mm:ss z",