accel/amdxdna: Fix notifier_wq flushing warning

Create notifier_wq with WQ_MEM_RECLAIM flag to fix the possible warning.

  workqueue: WQ_MEM_RECLAIM amdxdna_js:drm_sched_free_job_work [gpu_sched] is flushing !WQ_MEM_RECLAIM notifier_wq:0x0

Fixes: e486147 ("accel/amdxdna: Add BO import and export")
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Signed-off-by: Lizhi Hou <lizhi.hou@amd.com>
Link: https://patch.msgid.link/20260113173624.256053-1-lizhi.hou@amd.com

Author: houlz0507

drivers/accel/amdxdna/amdxdna_pci_drv.c

@@ -275,7 +275,7 @@ static int amdxdna_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		fs_reclaim_release(GFP_KERNEL);
 	}
 
-	xdna->notifier_wq = alloc_ordered_workqueue("notifier_wq", 0);
+	xdna->notifier_wq = alloc_ordered_workqueue("notifier_wq", WQ_MEM_RECLAIM);
 	if (!xdna->notifier_wq)
 		return -ENOMEM;