RFR: 8271352: Extend jcc erratum mitigation to additional processors

[Kim Barrett]

Please review this change to default enable the Intel jcc erratum
performance mitigation for family 6 model 165 (0xA5). This seems to reduce
the frequency of an issue that is still under investigation.

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Commit messages:
 - add 06_A5H

Changes: https://git.openjdk.java.net/jdk/pull/4922/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4922&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8271352
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4922.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4922/head:pull/4922

PR: https://git.openjdk.java.net/jdk/pull/4922