nvmedrv [add | del] [driver name]

[root@sylixos:/root]# help nvmedrv        
show, add, del nvme driver
eg. nvmedrv
    nvmedrv add imx6dq_nvme
    nvmedrv del imx6dq_nvme
nvmedrv [add | del] [driver] [name]
[root@sylixos:/root]#