scsi: ufs: Fix ufshcd_probe_hba() return value when fails to reinit

A non-zero return value could come from ufshcd_hba_enable() when the
host fails at reinit flow. But ufshcd_probe_hba() didn't take the error
value of this case. The patch is to fix this issue.

Bug: 160290772
Change-Id: Iedceeaeb056fe9fb519370ec42424e0542a73ed2
Signed-off-by: Leo Liou <leoliou@google.com>
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>

drivers/scsi/ufs/ufshcd.c

@@ -10045,8 +10045,8 @@ retry:
 		ufshcd_hba_stop(hba, false);
 		spin_unlock_irqrestore(hba->host->host_lock, flags);
 
-		err = ufshcd_hba_enable(hba);
-		if (err)
+		ret = ufshcd_hba_enable(hba);
+		if (ret)
 			goto out;
 
 		goto retry;