NVMe: Make admin timeout a module parameter

#define NVME_Q_DEPTH		1024

#define SQ_SIZE(depth)		(depth * sizeof(struct nvme_command))

#define CQ_SIZE(depth)		(depth * sizeof(struct nvme_completion))

#define ADMIN_TIMEOUT	(60 * HZ)

#define ADMIN_TIMEOUT		(admin_timeout * HZ)

#define IOD_TIMEOUT		(retry_time * HZ)

static unsigned char admin_timeout = 60;

module_param(admin_timeout, byte, 0644);

MODULE_PARM_DESC(admin_timeout, "timeout in seconds for admin commands");

unsigned char io_timeout = 30;

module_param(io_timeout, byte, 0644);

MODULE_PARM_DESC(io_timeout, "timeout in seconds for I/O");