git: openjdk/jdk: 8296136: Use correct register in aarch64_enc_fast_unlock()

[Roman Kennke]

Changeset: 7619602c
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2022-11-02 11:32:14 +0000
URL:       https://git.openjdk.org/jdk/commit/7619602c365acee73a490f05be2bd0d3dd09d7a4

8296136: Use correct register in aarch64_enc_fast_unlock()

Reviewed-by: aph, fyang

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