nvme: use NVME_CTRL_CMIC_ANA macro

Use the proper macro instead of hard-coded value.
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/nvme/host/nvme.h

@@ -745,7 +745,7 @@ static inline void nvme_trace_bio_complete(struct request *req)
 static inline int nvme_mpath_init(struct nvme_ctrl *ctrl,
 		struct nvme_id_ctrl *id)
 {
-	if (ctrl->subsys->cmic & (1 << 3))
+	if (ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA)
 		dev_warn(ctrl->device,
 "Please enable CONFIG_NVME_MULTIPATH for full support of multi-port devices.\n");
 	return 0;