UPSTREAM: scsi: ufs: core: Remove dedicated hwq for dev command

This commit depends on "scsi: ufs: core: mcq: Fix the incorrect OCS value
for the device command" which takes care of the OCS value of dev commands
in MCQ mode.

It is safe to share first hwq for dev command and I/O request here.

Bug: 267974767
Tested-by: Po-Wen Kao <powen.kao@mediatek.com>
Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com>
Link: https://lore.kernel.org/r/20230610021553.1213-3-powen.kao@mediatek.com


Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit ccb23dc3)
Change-Id: I73f1ad5bec71ac6e9efec1fd5231754be92d1b7c