FROMGIT: scsi: ufs-qcom: Adjust bus bandwidth voting and unvoting

The bus bandwidth voting is required to be done before the bus clocks are
enabled, and the unvoting is required to be done only after the bus clocks
are disabled.

Link: https://lore.kernel.org/r/1581392451-28743-4-git-send-email-cang@codeaurora.org


Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Hongwu Su <hongwus@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Bug: 150892981
Change-Id: I27f9a9584fbccbb84231354281f67b67b3d71373
(cherry picked from commit 8240dd97cef42485b0f28553d31bc5c6a23dd0cc
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git

 5.7/scsi-queue)
Signed-off-by: Can Guo <cang@codeaurora.org>