scsi: ufs: host: mediatek: Fix unbalanced IRQ enable issue

Resolve the issue of unbalanced IRQ enablement by setting the
'is_mcq_intr_enabled' flag after the first successful IRQ enablement.
Ensure proper tracking of the IRQ state and prevent potential mismatches
in IRQ handling.

Signed-off-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: ptr324

drivers/ufs/host/ufs-mediatek.c

@@ -2190,6 +2190,7 @@ static int ufs_mtk_config_mcq_irq(struct ufs_hba *hba)
 			return ret;
 		}
 	}
+	host->is_mcq_intr_enabled = true;
 
 	return 0;
 }