scsi: aha152x: Use DECLARE_COMPLETION_ONSTACK for non-constant completion

The _ONSTACK variant should be used for on-stack completion, otherwise it
will break lockdep. See also commit 6e9a4738 ("[PATCH] completions:
lockdep annotate on stack completions").

Signed-off-by: Zhongqiu Han <quic_zhonhan@quicinc.com>
Link: https://lore.kernel.org/r/20240705103614.3650637-1-quic_zhonhan@quicinc.com


Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>