RFR: 8294183: AArch64: Wrong macro check in SharedRuntime::generate_deopt_blob

[Fei Yang]

This is trivial change fixing a wrong macro check in SharedRuntime::generate_deopt_blob on aarch64.

Testing: Tier1 tested with fastdebug build on aarch64-linux server.

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Commit messages:
 - 8294183: AArch64: Wrong macro check in SharedRuntime::generate_deopt_blob

Changes: https://git.openjdk.org/jdk/pull/10382/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10382&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294183
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/10382.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10382/head:pull/10382

PR: https://git.openjdk.org/jdk/pull/10382