nvme-fabrics: decode 'authentication required' connect error

The 'connect' command might fail with NVME_SC_AUTH_REQUIRED, so we
should be decoding this error, too.

Signed-off-by: Hannes Reinecke <[e-mail]>
Reviewed-by: Sagi Grimberg <[e-mail]>
Reviewed-by: Chaitanya Kulkarni <[e-mail]>
Reviewed-by: Himanshu Madhani <[e-mail]>
Signed-off-by: Christoph Hellwig <[e-mail]>
Signed-off-by: Jens Axboe <[e-mail]>

drivers/nvme/host/fabrics.c

···
 		dev_err(ctrl->device,
 			"Connect command failed: host path error\n");
 		break;
+	case NVME_SC_AUTH_REQUIRED:
+		dev_err(ctrl->device,
+			"Connect command failed: authentication required\n");
+		break;
 	default:
 		dev_err(ctrl->device,
 			"Connect command failed, error wo/DNR bit: %d\n",