RFR: 8367487: Test compiler/loopopts/superword/TestReinterpretAndCast.java fails on Linux aarch64 with Cavium CPU

[David Briemann]

Fix by requiring both floating-point half-precision fphp advanced SIMD half-precision (asimdhp) on aarch64.

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Commit messages:
 - 8367487: Test compiler/loopopts/superword/TestReinterpretAndCast.java fails on Linux aarch64 with Cavium CPU

Changes: https://git.openjdk.org/jdk/pull/28390/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28390&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8367487
  Stats: 15 lines in 1 file changed: 13 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/28390.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28390/head:pull/28390

PR: https://git.openjdk.org/jdk/pull/28390