[jdk21u-dev] RFR: 8334895: OpenJDK fails to configure on linux aarch64 when CDS is disabled after JDK-8331942

[Satyen Subramaniam]

Backporting JDK-8334895: OpenJDK fails to configure on linux aarch64 when CDS is disabled after JDK-8331942. Sets COMPATIBLE_CDS_ALIGNMENT_DEFAULT to auto for aarch64 to address configure failure when building on linux aarch64.

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Commit messages:
 - Backport 3b1ca986427d3a69c9e167b9b4c07d1b83bc264d

Changes: https://git.openjdk.org/jdk21u-dev/pull/1538/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1538&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334895
  Stats: 3 lines in 1 file changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1538.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1538/head:pull/1538

PR: https://git.openjdk.org/jdk21u-dev/pull/1538