[vectorIntrinsics+compress] RFR: 8275255: AArch64: Backend support for compress VectorAPI

[Eric Liu]

- adds rules of CompressV for int and long types, byte and short types
  are not supported by SVE.
- fixes a typo issue.

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Commit messages:
 - 8275255: AArch64: Backend support for compress VectorAPI

Changes: https://git.openjdk.java.net/panama-vector/pull/153/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=153&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8275255
  Stats: 114 lines in 7 files changed: 49 ins; 0 del; 65 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/153.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/153/head:pull/153

PR: https://git.openjdk.java.net/panama-vector/pull/153