[jdk17u-dev] RFR: 8297887: Update Siphash

[Martin Doerr]

Backport of [JDK-8297887](https://bugs.openjdk.org/browse/JDK-8297887).

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Commit messages:
 - Backport bacf652311a74d93f6f802c51a1a2150522704cb

Changes: https://git.openjdk.org/jdk17u-dev/pull/1505/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1505&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8297887
  Stats: 4 lines in 1 file changed: 0 ins; 2 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1505.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1505/head:pull/1505

PR: https://git.openjdk.org/jdk17u-dev/pull/1505