Rename A64 port to ARM64 port

test/cctest/test-javascript-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 246 matching lines @@
   ExpectBoolean(true, result);
   result = CompileRun("var a = 1234; !!a");
   ExpectBoolean(true, result);
   result = CompileRun("var a = 0; !!a");
   ExpectBoolean(false, result);
   result = CompileRun("var a = 0; if ( !a ) { 1; } else { 0; }");
   ExpectInt32(1, result);
   result = CompileRun("var a = 1; if ( !a ) { 1; } else { 0; }");
   ExpectInt32(0, result);
 }