FROMGIT: scsi: ufs: Refactor cancelling clkscaling works

Cancelling suspend_work and resume_work is only required while suspending
clk-scaling. Move these two invocations into ufshcd_suspend_clkscaling()
function.

Link: https://lore.kernel.org/r/20210120150142.5049-2-stanley.chu@mediatek.com


Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Bug: 189417930
(cherry picked from commit f9a7fa34
git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git

 5.14/scsi-queue)
Change-Id: I3b90e59294cce63923720227d08987c084d09478
Signed-off-by: Can Guo <cang@codeaurora.org>