scsi: ufs: support vops pre suspend for mediatek to disable auto-hibern8

[Bart Van Assche]

On 10/5/21 6:27 AM, peter.wang at mediatek.com wrote:
> From: Peter Wang <peter.wang at mediatek.com>
> 
> Mediatek UFS design need disable auto-hibern8 before suspend.
> This patch introduce an solution to do pre suspned before SSU
> (sleep) command.

This series is not bisectable. Please combine both patches into a single
patch.

Thanks,

Bart.