ICU update to 58 part 2

source/data/locales/ta.txt

 // © 2016 and later: Unicode, Inc. and others.
 // License & terms of use: http://www.unicode.org/copyright.html#License
 ta{
     AuxExemplarCharacters{"[\u200C\u200D]"}
     Ellipsis{
         final{"{0}…"}
         initial{"…{0}"}
         medial{"{0}…{1}"}
         word-final{"{0} …"}
         word-initial{"… {0}"}
@@ skipping 470 matching lines @@
                     y{"d/M/y – d/M/y G"}
                 }
             }
         }
         gregorian{
             AmPmMarkers{
                 "முற்பகல்",
                 "பிற்பகல்",
             }
             AmPmMarkersAbbr{
-                "முற்பகல்",
-                "பிற்பகல்",
+                "AM",
+                "PM",
             }
             AmPmMarkersNarrow{
                 "மு.ப",
                 "பி.ப",
             }
             DateTimePatterns{
                 "a h:mm:ss zzzz",
                 "a h:mm:ss z",
                 "a h:mm:ss",
                 "a h:mm",
@@ skipping 1365 matching lines @@
             middle{"{0}, {1}"}
             start{"{0}, {1}"}
         }
     }
     measurementSystemNames{
         UK{"யூகே"}
         US{"யூஎஸ்"}
         metric{"மெட்ரிக்"}
     }
 }