[jdk17u-dev] RFR: 8280867: Cpuid1Ecx feature parsing is incorrect for AMD CPUs

[Martin Doerr]

Clean backport of [JDK-8280867](https://bugs.openjdk.java.net/browse/JDK-8280867)

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Commit messages:
 - Backport a18beb4797a1ca6fc6b31e997be48b2bd91c6ac0

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/295/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=295&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280867
  Stats: 9 lines in 1 file changed: 0 ins; 1 del; 8 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/295.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/295/head:pull/295

PR: https://git.openjdk.java.net/jdk17u-dev/pull/295