vme: Use root_device_register() not underlined version

root_device_register and __root_device_register have exactly same
effect. Use the not underlined version to keep usage consistency.

Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Link: https://lore.kernel.org/r/20221206015033.125827-1-chenzhongjin@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Chen Zhongjin

drivers/staging/vme_user/vme_fake.c

@@ -1069,7 +1069,7 @@ static int __init fake_init(void)
 	struct vme_lm_resource *lm;
 
 	/* We need a fake parent device */
-	vme_root = __root_device_register("vme", THIS_MODULE);
+	vme_root = root_device_register("vme");
 	if (IS_ERR(vme_root))
 		return PTR_ERR(vme_root);