BACKPORT: scsi: ufs: Fix and simplify setup_xfer_req variant operation

Add missing setup_xfer_req() call in ufshcd_issue_devman_upiu_cmd() in
ufs-bsg path. Relocate existing setup_xfer_req() calls to a common place,
i.e., ufshcd_send_command(), to simplify the driver.

Bug: 163100328
Link: https://lore.kernel.org/r/20200706060707.32608-3-stanley.chu@mediatek.com


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>
Change-Id: Ibe16a421e5f3f003529379b1ac96b0a9306b0fe0
(cherry picked from commit 6edfdcfe285e499994b94a0f93e1f46ab2398162)
Signed-off-by: nanich.lee <nanich.lee@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>