UPSTREAM: scsi: ufs: Introduce device quirk "DELAY_AFTER_LPM"

Some UFS devices require delay after VCC power rail is turned off.
Introduce a device quirk "DELAY_AFTER_LPM" to add 5ms delay after VCC
power-off during suspend flow.

Link: https://lore.kernel.org/r/20200729051840.31318-2-stanley.chu@mediatek.com


Reviewed-by: Andy Teng <andy.teng@mediatek.com>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
Acked-by: Avri Altman <Avri.Altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Bug: 166747994
(cherry picked from commit c4df6eed972e001a206a173738bec8c5f903257a)
Change-Id: Ia5c26f454374dfb591480acbf83007749ba11a0c
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>