scsi: dpt_i2o: Drop redundant spinlock initialization

adpt_post_wait_lock was declared and initialized by DEFINE_SPINLOCK so we
don't need to call spin_lock_init(). Drop the call.

Link: https://lore.kernel.org/r/1652176024-3981-1-git-send-email-baihaowen@meizu.comSigned-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/dpt_i2o.c

@@ -1000,7 +1000,6 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev
 
 	// Initializing the spinlocks
 	spin_lock_init(&pHba->state_lock);
-	spin_lock_init(&adpt_post_wait_lock);
 
 	if(raptorFlag == 0){
 		printk(KERN_INFO "Adaptec I2O RAID controller"