Update ICU to 58.1

source/data/locales/mgh.txt

Index: source/data/locales/mgh.txt
diff --git a/source/data/locales/mgh.txt b/source/data/locales/mgh.txt
old mode 100755
new mode 100644
index 796d6f7eae91b06150bfe2d23ae11a79fcaef64d..ecd691c755b35a8e81e4fb96b6c715100278c98d
--- a/source/data/locales/mgh.txt
+++ b/source/data/locales/mgh.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/mgh.xml
-// *
-// ***************************************************************************
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html#License
 mgh{
     AuxExemplarCharacters{"[q x]"}
     ExemplarCharacters{"[a b c d e f g h i j k l m n o p r s t u v w y z]"}
@@ -18,7 +12,7 @@ mgh{
             }
         }
     }
-    Version{"2.1.19.14"}
+    Version{"2.1.27.40"}
     calendar{
         generic{
             DateTimePatterns{
@@ -66,6 +60,10 @@ mgh{
                 "wichishu",
                 "mchochil’l",
             }
+            AmPmMarkersAbbr{
+                "wichishu",
+                "mchochil’l",
+            }
             DateTimePatterns{
                 "HH:mm:ss zzzz",
                 "HH:mm:ss z",