habanalabs: show correct id in error print

If the initialization of a device failed, the driver prints an error
message with the id of the device. The device index on the file system is
that id divided by 2.
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Reviewed-by: Omer Shpigelman <oshpigelman@habana.ai>

drivers/misc/habanalabs/device.c

@@ -1292,10 +1292,10 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass)
 	if (hdev->pdev)
 		dev_err(&hdev->pdev->dev,
 			"Failed to initialize hl%d. Device is NOT usable !\n",
-			hdev->id);
+			hdev->id / 2);
 	else
 		pr_err("Failed to initialize hl%d. Device is NOT usable !\n",
-			hdev->id);
+			hdev->id / 2);
 
 	return rc;
 }