scsi: ufs: Delete struct ufs_dev_desc

scsi: ufs: Delete struct ufs_dev_desc

In consideration of UFS host driver uses parameters of struct ufs_dev_desc,
move its parameters to struct ufs_dev_info, delete struct ufs_dev_desc.

Link: https://lore.kernel.org/r/20200120130820.1737-3-huobean@gmail.com
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>